In Plato’s Laws, the Athenian Stranger maintains that law should consist of both persuasion (πειθώ) and compulsion (βία) (IV.711c, IV.718b-d, and IV.722b). Persuasion can be achieved by prefacing the laws with preludes (προοίμια), which make the citizens more eager to obey the laws. Although scholars disagree on how to interpret the preludes’ persuasion, they agree that the preludes instill true beliefs and give citizens good reasons for obeying the laws. In this paper I refine this account of the preludes by (...) arguing that the primary purpose of the preludes is to motivate correct action, and that for citizens who lack rational-governance this is achieved via useful false beliefs. That is to say, in many cases, the prelude functions as a “noble lie” (γενναῖον ψεῦδος). (shrink)

A number of philosophers have recently proposed several alleged cases of “knowledge from falsehood,” i.e., cases of inferential knowledge epistemised by an inference with a false crucial premise. This paper examines such cases and argues against interpreting them as cases of knowledge from falsehood. Specifically, I argue that the inferences in play in such cases are in no position to epistemise their conclusions.

Critical notice of Puddifoot, Katherine. 2021. How Stereotypes Deceive Us. NY: OUP.--------- -/- Kathy Puddifoot makes a compelling and enlightening case for a striking pair of claims: 1) false stereotypes sometimes steer us to the truth, while 2) true stereotypes often lead us into error. This is a wonderful book, a seamless integration of epistemology with ethics, of philosophy with social science, and of “mainstream” or “Western analytic” approaches with marginalized and underappreciated contributions from critical social traditions, especially black feminism. (...) The integrations are so seamless, in fact, as to give the reader the impression that Puddifoot is simply picking up conversations already underway. Instead, she has done a tremendous service in bringing representatives from wide-ranging, often-siloed disciplines into dialogue. Another virtue of Puddifoot’s book is how thoroughly it maps out the actual and possible views and logical spaces revolving around each topic she addresses. How Stereotypes Deceive Us could therefore be used to introduce budding epistemologists to the field, as it offers clear and careful explanations of leading approaches to a range of topics, including virtue epistemology, theory of mind, and more. (shrink)

Can understanding be based on false beliefs? I argue that it can. I first argue that the best way to understand the question is that it is whether one can increase one's degree of understanding by adopting an overall less accurate body of beliefs. I identify three sufficient conditions for one body of beliefs to be more accurate than another. Next, I appeal to two widely used methods of comparing degrees of understanding. With these methods, I show that understanding can (...) be gained by acquiring false beliefs. In addition, I show that this implies that understanding is not factive. (shrink)

We discuss misinformation about “the liar antinomy” with special reference to Tarski’s 1933 truth-definition paper [1]. Lies are speech-acts, not merely sentences or propositions. Roughly, lies are statements of propositions not believed by their speakers. Speakers who state their false beliefs are often not lying. And speakers who state true propositions that they don’t believe are often lying—regardless of whether the non-belief is disbelief. Persons who state propositions on which they have no opinion are lying as much as those who (...) state propositions they believe to be false. Not all lies are statements of false propositions—some lies are true; some have no truth-value. People who only occasionally lie are not liars: roughly, liars repeatedly and habitually lie. Some half-truths are statements intended to mislead even though the speakers “interpret” the sentences used as expressing true propositions. Others are statements of propositions believed by the speakers to be questionable but without revealing their supposed problematic nature. The two “formulations” of “the antinomy of the liar” in [1], pp.157–8 and 161–2, have nothing to do with lying or liars. The first focuses on an “expression” Tarski calls ‘c’, namely the following. -/- c is not a true sentence -/- The second focuses on another “expression”, also called ‘c’, namely the following. -/- for all p, if c is identical with the sentence ‘p’, then not p -/- Without argumentation or even discussion, Tarski implies that these strange “expressions” are English sentences. [1] Alfred Tarski, The concept of truth in formalized languages, pp. 152–278, Logic, Semantics, Metamathematics, papers from 1923 to 1938, ed. John Corcoran, Hackett, Indianapolis 1983. -/- https://www.academia.edu/12525833/Sentence_Proposition_Judgment_Statement_and_Fact_Speaking_about_th e_Written_English_Used_in_Logic. (shrink)

It has been largely assumed from the start that truth, the first premise of the Tripartite theory of Knowledge, is necessary for a mental state of knowing. And this has intuitively made sense. Examples that demonstrate the logic of this premise are wide-spread and easily found. Yet, if one tries to establish the necessity of this condition for oneself, one may discover, a logical flaw in this premise. In theory truth is necessary, however, in practice it is not truth that (...) establishes knowledge. -/- We obtain knowledge using our perception or five senses. We accept the subjectivity of perspective, even though truth may or may not be established. We reject knowledge only when evidence of falsehood is obtained, if ever. -/- In practice, in the obtaining of knowledge of the conditional, those things we experience that could have been otherwise, truth is not established. The fundamental application of how we attain knowledge is in witnessing with our perception, our five senses, evidence for our conclusion. However, evidence provides support for our conclusion, by way of justification, but does not by itself provide truth. And therefore, it is not truth that is necessary for knowledge. It is the lack of evidence of falsehood in our conclusion that is the basis of our knowledge. And a lack of evidence of falsehood, is not the equal of truth. -/- The following thought experiment will demonstrate this flaw between theory and practice. (shrink)

This article explains and defends a novel idea about how people can be misled by a discussion topic, even if the discussion itself does not explicitly involve the making of false claims. The crucial aspect of this idea is that people are liable to infer, from the fact that a particular topic is being discussed, that this topic is important. As a result, they may then be led to accept certain beliefs about the state of the world they consider necessary (...) for the topic’s importance. What the article calls “importance misrepresentation” occurs when these beliefs about the state of the world are false or otherwise mistaken. The article explores different ways in which importance misrepresentation can occur, and it uses this idea to help clarify and strengthen some well‐known criticisms of the topic choices of academic philosophers. (shrink)

This paper examines the work of Immanuel Kant in the light of a new theory on the nature of truth, knowledge and falsehood (the Inversion Theory of Truth). Kant’s idea that knowledge could be absolutely certain, and that its truth must correspond with reality, is discredited by a dissection of the Correspondence Theory of Truth. This examination of the nature of truth, as well as knowledge and falsehood, is conducted with reference to Sir Karl Popper’s writings on regulative (...) ideas, the criterion of demarcation and the principle of falsifiability. It is argued that if truth is to be regarded as certain, it should be used to describe objects and events in the objective (noumenal) state, and that subjective knowledge must contain (and is improved by) falsehood. Perceptions and knowledge are obtained by the biological and evolutionary process of Active Subjectivism. Ideas we have knowledge of can be metaphysical or scientific, according to Popper’s Criterion of Demarcation. Kant’s “Copernican revolution” claim that our intellect imposes absolutely true laws on nature could not allow for the possibility that ideas might be constructed from fallible perceptions, and hence that all knowledge is uncertain. Instead, he developed a Critique of Practical Reason in which religion, though not provable through logical reasoning, could be proved by our innate moral sense, giving us a Categorical Imperative that could lead to perverse results. By rejecting the absolute certainty of a priori knowledge, and admitting a degree of essential falsehood, we arrive at a more reasonable grounding for moral behavior. (shrink)

Elgin offers an influential and far-reaching challenge to veritism. She takes scientific understanding to be non-factive and maintains that there are epistemically useful falsehoods that figure ineliminably in scientific understanding and whose falsehood is no epistemic defect. Veritism, she argues, cannot account for these facts. This paper argues that while Elgin rightly draws attention to several features of epistemic practices frequently neglected by veritists, veritists have numerous plausible ways of responding to her arguments. In particular, it is not (...) clear that false propositional commitments figure ineliminably in understanding in the manner supposed by Elgin. Moreover, even if scientific understanding were non-factive and false propositional commitments did figure ineliminably in understanding, the veritist can account for this in several ways without thereby abandoning veritism. (shrink)

I argue that normative formal epistemology (NFE) is best understood as modelling, in the sense that this is the reconstruction of its methodology on which NFE is doing best. I focus on Bayesianism and show that it has the characteristics of modelling. But modelling is a scientific enterprise, while NFE is normative. I thus develop an account of normative models on which they are idealised representations put to normative purposes. Normative assumptions, such as the transitivity of comparative credence, are characterised (...) as modelling idealisations motivated normatively. I then survey the landscape of methodological options: what might formal epistemologists be up to? I argue the choice is essentially binary: modelling or theorising. If NFE is theorising it is doing very poorly: generating false claims with no clear methodology for separating out what is to be taken seriously. Modelling, by contrast, is a successful methodology precisely suited to the management of useful falsehoods. Regarding NFE as modelling is not costless, however. First, our normative inferences are less direct and are muddied by the presence of descriptive idealisations. Second, our models are purpose-specific and limited in their scope. I close with suggestions for how to adapt our practice. (shrink)

I will discuss a variety of cases such that the subject's believing truly is somewhat of an accident, but less so than in a Gettier case. In each case, this is because her reasons are not ultimately undefeated full stop, but they are ultimately undefeated with certain qualifications. For example, the subject's reasons might be ultimately defeated considered in themselves but ultimately undefeated considered as a proper part of an inference to the best explanation that is undefeated without qualification. In (...) each section of the paper, I consider different qualifications and show how in each case we get an epistemic standing I call “coach-class knowledge”. First-class knowledge requires justifying reasons that are undefeated without qualification. Coach-class knowledge only requires qualified lack of defeat. I will use this distinction to bring debates over knowledge from falsehood and fake barns to an ecumenical resolution. In both cases, the subject enjoys coach-class rather than first-class knowledge. I will also show that the defeasible reasoning tradition can better account for graded accidental truth than safety theories. (shrink)

In this paper, I investigate whether we can use a world-involving framework to model the epistemic states of non-ideal agents. The standard possible-world framework falters in this respect because of a commitment to logical omniscience. A familiar attempt to overcome this problem centers around the use of impossible worlds where the truths of logic can be false. As we shall see, if we admit impossible worlds where “anything goes” in modal space, it is easy to model extremely non-ideal agents that (...) are incapable of performing even the most elementary logical deductions. A much harder, and considerably less investigated challenge is to ensure that the resulting modal space can also be used to model moderately ideal agents that are not logically omniscient but nevertheless logically competent. Intuitively, while such agents may fail to rule out subtly impossible worlds that verify complex logical falsehoods, they are nevertheless able to rule out blatantly impossible worlds that verify obvious logical falsehoods. To model moderately ideal agents, I argue, the job is to construct a modal space that contains only possible and non-trivially impossible worlds where it is not the case that “anything goes”. But I prove that it is impossible to develop an impossible-world framework that can do this job and that satisfies certain standard conditions. Effectively, I show that attempts to model moderately ideal agents in a world-involving framework collapse to modeling either logical omniscient agents, or extremely non-ideal agents. (shrink)

Modeling involves the use of false idealizations, yet there is typically a belief or hope that modeling somehow manages to deliver true information about the world. The paper discusses one possible way of reconciling truth and falsehood in modeling. The key trick is to relocate truth claims by reinterpreting an apparently false idealizing assumption in order to make clear what possibly true assertion is intended when using it. These include interpretations in terms of negligibility, applicability, tractability, early-step, and more. (...) Elaborations are suggested about their precise formulations, mutual relationships, and truth-aptness. (shrink)

Classically, truth and falsehood are opposite, and so are logical truth and logical falsehood. In this paper we imagine a situation in which the opposition is so pervasive in the language we use as to threaten the very possibility of telling truth from falsehood. The example exploits a suggestion of Ramsey’s to the effect that negation can be expressed simply by writing the negated sentence upside down. The difference between ‘p’ and ‘~~p’ disappears, the principle of double (...) negation becomes trivial, and the truth/falsehood opposition is up for grabs. Our moral is that this indeterminacy undermines the idea of inferential role semantics. (shrink)

The norm of assertion, to be in force, is a social norm. What is the content of our social norm of assertion? Various linguistic arguments purport to show that to assert is to represent oneself as knowing. But to represent oneself as knowing does not entail that assertion is governed by a knowledge norm. At best these linguistic arguments provide indirect support for a knowledge norm. Furthermore, there are alternative, non-normative explanations for the linguistic data (as in recent work from (...) Van Elswyk). Direct arguments would rely on normative judgments about the permissibility or impermissibility of assertions with and without the speaker knowing the content asserted. John Turri's work experimental results purport to show that our norm of assertion is factive, and probably knowledge. But as a number of recent experimentalists (Kneer, Reuter and Broessel, Marsili and Wiegmann) have shown, Turri's results rely on the problemmatic use of 'should' as in 'Maria should assert that she owns a 1990 watch.' Correcting for this, these experimentalists provide strong evidence that our norm of assertion is not factive. The standard reply to evidence like this from the assertion of unlucky falsehoods is the excuse maneuver. But Marsili and Wiegmann, following Turri's protocol for testing for excuse validation, show that participants who judge that assertions unlucky falsehoods are permissible are not guilty of excuse validation. Given our current understanding of the experimental evidence, knowledge is not our norm of assertion. (shrink)

During the realist revival in the early years of this century, philosophers of various persuasions were concerned to investigate the ontology of truth. That is, whether or not they viewed truth as a correspondence, they were interested in the extent to which one needed to assume the existence of entities serving some role in accounting for the truth of sentences. Certain of these entities, such as the Sätze an sich of Bolzano, the Gedanken of Frege, or the propositions of Russell (...) and Moore, were conceived as the bearers of the properties of truth and falsehood. Some thinkers however, such as Russell, Wittgenstein in the Tractatus, and Husserl in the Logische Untersuchungen, argued that instead of, or in addition to, truth-bearers, one must assume the existence of certain entities in virtue of which sentences and/or propositions are true. Various names were used for these entities, notably 'fact', 'Sachverhalt', and 'state of affairs'. (1) In order not to prejudge the suitability of these words we shall initially employ a more neutral terminology, calling any entities which are candidates for this role truth-makers. (shrink)

Detailed examinations of scientific practice have revealed that the use of idealized models in the sciences is pervasive. These models play a central role in not only the investigation and prediction of phenomena, but in their received scientific explanations as well. This has led philosophers of science to begin revising the traditional philosophical accounts of scientific explanation in order to make sense of this practice. These new model-based accounts of scientific explanation, however, raise a number of key questions: Can the (...) fictions and falsehoods inherent in the modeling practice do real explanatory work? Do some highly abstract and mathematical models exhibit a noncausal form of scientific explanation? How can one distinguish an exploratory "how-possibly" model explanation from a genuine "how-actually" model explanation? Do modelers face tradeoffs such that a model that is optimized for yielding explanatory insight, for example, might fail to be the most predictively accurate, and vice versa? This chapter explores the various answers that have been given to these questions. (shrink)

Thanks to the advent of social media, large numbers of Americans believe outlandish falsehoods that have been widely debunked. Many of us have a tendency to fault the individuals who hold such beliefs. We naturally assume that the individuals who form and maintain such beliefs do so in virtue of having violated some epistemic obligation: perhaps they failed to scrutinize their sources, or failed to seek out the available competing evidence. I maintain that very many ordinary individuals who acquire outlandish (...) false beliefs thanks to their use of popular social media platforms (and other similar internet technologies) deserve little or no blame for believing these falsehoods. Such individuals would be fully blameworthy only if they had formed or maintained the relevant beliefs partly in virtue of violating some epistemic obligation and had no excuse for violating that obligation. However, the nature of these internet technologies provides excuses for violating the relevant epistemic obligations, and so individuals are excused for holding the resulting false beliefs. (shrink)

Metaphorical statements surprise us as literal falsehoods, but the interpretation reveals a special motive for the figurative use of the language. Donald Davidson objects to nonliteral meaning: “to suppose a metaphor can be effective only by conveying a coded message is like thinking a joke or a dream makes some statement which a clever interpreter can restate in plain prose.” Taking this remark as my starting point I analyze interpretative strategies for metaphors, jokes, riddles and counterfactual conditionals – all of (...) them involve an initial incongruity and most of them require a certain blending of two different domains. I suggest that the ability to interpret metaphors is based on our ability to apprehend a special cognitive content associated with metaphors. (shrink)

Donald Trump and Boris Johnson are notoriously uninterested in truthtelling. They also often appear uninterested even in constructing plausible falsehoods. What stands out above all is the brazenness and frequency with which they repeat known falsehoods. In spite of this, they are not always greeted with incredulity. Indeed, Republicans continue to express trust in Donald Trump in remarkable numbers. The only way to properly make sense of what Trump and Johnson are doing, we argue, is to give a greater role (...) to audience relativity - and in some cases, audience participation - in notions like bullshitting and bald-faced lying. In this paper, we develop a new understanding of bullshitting, one that includes bald-faced lying, and recognizes that different communicative acts may be directed at different audiences with a single utterance. In addition, we argue for recognition of the category of bald-faced bullshitting, a particular speciality of both Trump and Johnson, and one especially useful to authoritarian leaders. (shrink)

In a possible world framework, an agent can be said to know a proposition just in case the proposition is true at all worlds that are epistemically possible for the agent. Roughly, a world is epistemically possible for an agent just in case the world is not ruled out by anything the agent knows. If a proposition is true at some epistemically possible world for an agent, the proposition is epistemically possible for the agent. If a proposition is true at (...) all epistemically possible worlds for an agent, the proposition is epistemically necessary for the agent, and as such, the agent knows the proposition. -/- This framework presupposes an underlying space of worlds that we can call epistemic space. Traditionally, worlds in epistemic space are identified with possible worlds, where possible worlds are the kinds of entities that at least verify all logical truths. If so, given that epistemic space consists solely of possible worlds, it follows that any world that may remain epistemically possible for an agent verifies all logical truths. As a result, all logical truths are epistemically necessary for any agent, and the corresponding framework only allows us to model logically omniscient agents. This is a well-known consequence of the standard possible world framework, and it is generally taken to imply that the framework cannot be used to model non-ideal agents that fall short of logical omniscience. -/- A familiar attempt to model non-ideal agents within a broadly world involving framework centers around the use of impossible worlds where the truths of logic can be false. As we shall see, if we admit impossible worlds where “anything goes” in epistemic space, it is easy to avoid logical omniscience. If any logical falsehood is true at some impossible world, then any logical falsehood may remain epistemically possible for some agent. As a result, we can use an impossible world involving framework to model extremely non-ideal agents that do not know any logical truths. -/- A much harder, and considerably less investigated challenge is to ensure that the resulting epistemic space can also be used to model moderately ideal agents that are not logically omniscient but nevertheless logically competent. Intuitively, while such agents may fail to rule out impossible worlds that verify complex logical falsehoods, they are nevertheless able to rule out impossible worlds that verify obvious logical falsehoods. To model such agents, we need a construction of a non-trivial epistemic space that partly consists of impossible worlds where not "anything goes". This involves imposing substantive constraints on impossible worlds to eliminate from epistemic space, say, trivially impossible worlds that verify obvious logical falsehoods. -/- The central aim of this dissertation is to investigate the nature of such non-trivially impossible worlds and the corresponding epistemic spaces. To flag my conclusions, I argue that successful constructions of epistemic spaces that can safely navigate between the Charybdis of logical omniscience and the Scylla of of “anything goes” are hard, if not impossible to find. (shrink)

Standard arguments for Bayesian conditionalizing rely on assumptions that many epistemologists have criticized as being too strong: (i) that conditionalizers must be logically infallible, which rules out the possibility of rational logical learning, and (ii) that what is learned with certainty must be true (factivity). In this paper, we give a new factivity-free argument for the superconditionalization norm in a personal possibility framework that allows agents to learn empirical and logical falsehoods. We then discuss how the resulting framework should be (...) interpreted. Does it still model norms of rationality, or something else, or nothing useful at all? We discuss five ways of interpreting our results, three that embrace them and two that reject them. We find one of each kind wanting, and leave readers to choose among the remaining three. (shrink)

It is possible to construct situations (with a suitable kind of setting) in which one speaker utters ‘This is tasty’ and another speaker responds with ‘That’s not true’. The aim of this paper is to motivate the idea that typical (broadly) expressivist accounts of taste disagreements are not in a position to explain such situations (although some of them can successfully explain disagreements in which another kind of dissent phrase—like ‘Nuh-uh’—is employed). This is because utterances of ‘That’s not true’ are (...) typically used to ascribe falsehood to propositions. Taste expressivism has it, however, that when one utters ‘This is tasty’, one typically manifests her evaluative attitude (which is non-propositional) toward something rather than describes what attitude she bears toward the thing. Another aim of the paper consists in proposing an alternative account of taste disagreements. It is close to taste expressivism when it comes to the explanation of disagreements in which speakers respond with ‘Nuh-uh’ to utterances of ‘This is tasty’, but departs from it in situations in which they respond with ‘That’s not true’. The account is developed within a contextualist framework according to which taste utterances express contextually enriched propositions that contain judges who evaluate things as tasty or not. (shrink)

In the predominant pedagogical frameworks of our days, rationalist, voluntarist or sentimentalist reductionisms are seen, from which it is about educating people regardless of their Origin and the singular and unrepeatable originality with which they have been given to existence. Faced with this anthropocentric confinement, Sensitive Education arises so that every person, regardless of their culture and creed, remains sensitive to their Origin and captures their own originality, which in the end is what they must accept and try to manifest (...) with education. When educational systems are not sensitive to the original, they develop falsehood. With the aim of consolidating the validity of the pedagogical-anthropological foundation of Sensitive Education, this study seeks to show how Edith Stein’s argument explains Sensitive Education, although Stein, after her conversion, uses explicitly Christian terminology. Stein’s direct terms serve to describe Education Sensitive to the Holy Spirit, but for those who do not start from a Christian worldview, Education Sensitive to Origin can be a more non-denominational way of approaching the Original. To achieve this objective, an analytical-synthetic methodology has been followed in which essential features of Sensitive Education are proposed and in a hermeneutic manner, arguments are extracted from the writings of Edith Stein that offer support for these essential features. In conclusion, it is sufficiently shown that Edith Stein’s thought provides a pedagogical foundation to Sensitive Education. (shrink)

If racism is a matter of possessing racist beliefs, then it would seem that its cure involves purging one’s mind of all racist beliefs. But the truth is more complicated, and does not permit such a straightforward strategy. Racist beliefs are resistant to subjective repudiation, and even those that are so repudiated are resistant to lasting expulsion from one’s belief system. Moreover, those that remain available for use in cognition can shape thought and behavior even in the event that one (...) has recognized their falsehood. Yet if one is intent upon combating the racism within one’s mind, one is not without effective cognitive countermeasures that can render one’s racist beliefs ineffectual. (shrink)

Abstract Impossible fictions have lessons to teach us about linguistic representation, about mental content and concepts, and about uses of conceivability in epistemology. An adequate theory of impossible fictions may require theories of meaning that can distinguish between different impossibilities; a theory of conceptual truth that allows us to make useful sense of a variety of conceptual falsehoods; and a theory of our understanding of necessity and possibility that permits impossibilities to be conceived. After discussing these questions, strategies for (...) resisting the picture of impossible fictions presented here and in Part I are discussed. Perhaps apparently impossible fictions describe possibilities after all; or perhaps impossible fictions are all trivial; or perhaps some apparently intelligible impossible fictions are unintelligible after all. (shrink)

Epistemic luck is a generic notion used to describe any of a number of ways in which it can be accidental, coincidental, or fortuitous that a person has a true belief. For example, one can form a true belief as a result of a lucky guess, as when one believes through guesswork that “C” is the right answer to a multiple-choice question and one’s belief just happens to be correct. One can form a true belief via wishful thinking; for example, (...) an optimist’s belief that it will not rain may luckily turn out to be correct, despite forecasts for heavy rain all day. One can reason from false premises to a belief that coincidentally happens to be true. One can accidentally arrive at a true belief through invalid or fallacious reasoning. And one can fortuitously arrive at a true belief from testimony that was intended to mislead but unwittingly reported the truth. In all of these cases, it is just a matter of luck that the person has a true belief. -/- Until the twenty-first century, there was nearly universal agreement among epistemologists that epistemic luck is incompatible with knowledge. Call this view “the incompatibility thesis.” In light of the incompatibility thesis, epistemic luck presents epistemologists with three distinct but related challenges. The first is that of providing an accurate analysis of knowledge (in terms of individually necessary and jointly sufficient conditions for “S knows that p,” where ‘S’ represents the knower and ‘p’ represents the proposition known). An adequate analysis of knowledge must succeed in specifying conditions that rule out all instances of knowledge-destroying epistemic luck. The second challenge is to resolve the skeptical paradox that the ubiquity of epistemic luck generates: As will become clear in section 2c, epistemic luck is an all-pervasive phenomenon. Coupling this fact with the incompatibility thesis entails that we have no propositional knowledge. The non-skeptical epistemologist must somehow reconcile the strong intuition that epistemic luck is not compatible with knowledge with the equally evident observation that it must be. The third challenge concerns the special skeptical threat that epistemic luck seems to pose for more reflective forms of knowledge, such as knowing that one knows. Each of these challenges will be explored in the present article. (shrink)

This chapter will evaluate humor used with the specific intent to reveal glaring epistemic errors that lead to injustice; flaws in reasoning so transparent that straightforward logic, argument, and evidence seem ineffectual against them, and in some cases, just silly to think such tools would be needed. Laughter seems to be one of the only sane responses. In particular, I will assess how humor can combat conspiracy theories, propaganda, lies, and bullshit. The last one I view in Harry Frankfurt's sense (...) of a complete lack of concern for truth or reality, which I think sums up former President Donald Trump's epic lack of curiosity which has a trickle-down effect on his ardent followers. The sort of conspiracy theories I will focus on are an intermingling of propaganda, well defined and analyzed by Jason Stanley in his work How Propaganda Works, and the "new conspiracism", outlined by Muirhead and Rosenblum in A Lot of People are Saying: The New Conspiracism and The Assault on Democracy. There are perils with this potency of pugilistic comedy. It is easy to punch up, humorously fume at the foibles and fantastical blunders of a world leader who seriously considers ingesting bleach to combat the plague, who also, without irony, regales us of his capacious mnemonic prowess in recalling the following words on a cognitive test: "Person. Woman. Man. Camera. TV." The self-proclaimed "stable genius" aced it. But when Trumpism and QAnon e.g., spreads among many who are impoverished and disempowered, the very people to whom Trump and others in his powerful orbit have incessantly lied, it becomes less clear how to wield truth-and justice-seeking wit. Are consciousness-raising comedians seeking to uncover and undermine obvious and dangerous falsehoods punching in the morally correct direction, and how can we tell? (shrink)

In lieu of an abstract, here is a brief excerpt of the content:Philosophy, Psychiatry, & Psychology 12.3 (2005) 257-259 [Access article in PDF] Atrocity, Banality, Self-Deception Adam Morton Keywords evil, self-deception, banality, atrocity, motivation When talking about evil we must make a fundamental choice about how we are to use the term. We may use it as half of the contrast "good versus evil," in which case it covers everything that is not good. That includes moral incompetence, lack of imagination, (...) willingness to follow orders, overreactions, and a host of other reasons why people who do not have personalities that we would call evil do things that are wrong, often very wrong. Call this the weak reading of evil: evil as wrongdoing. Or we may use it with the meaning suggested by "evil person," "really evil act," "the evil lurking in all of us," and other such idioms. If we do this, we focus on a particular class of actions, and the motives and people that produce them, that arouse a particular moral revulsion in us. Call this the strong reading of evil: evil as atrocity (for more on this contrast see Morton [2004] and Card [2002]).Kubarych, following Peck, thinks of evil in the strong way. Most of the time at any rate: Some of the philosophers, such as Kant, that he draws on are thinking of evil in the weak way, and some of his quotations are from the German, where good/bad/evil distinctions are not drawn in the same way as in English. He explores a general explanation of evil that seems to be targeted at the psychology of extremely abhorrent actions. But, I argue, his account is in danger of collapse in either of two directions. Depending on how we interpret Kubarych's account, it could turn out that it describes all wrongdoing as evil, or, making some different choices, it could turn out that there are no really evil people.The strong reading of evil is definitely the most interesting and potentially fruitful. After all, we have no shortage of satisfying explanations of why people lie to get out of unwelcome appointments, steal to support their children or their drug habits, or defraud investors to become rich. But we do feel deeply puzzled by those who commit torture, serial murder, or genocide. We ask of these people not so much "Why did he do it?" as "How could he do it?" We feel the need of a philosophical or psychological theory that can give us even a slight handle of these people and their deeds. There are two risks associated with the project of explaining atrocity, though. The first is the risk of accepting unsatisfactory accounts, just because they purport to explain what we desperately want to understand. The second is the risk of supposing that there is a single explanation when the causes of the phenomenon are in fact too varied. On other topics these two risks have often combined to make people believe what seem to us now to be evident falsehoods. Humans have often for example wanted to know the causes of disease, and as a result have accepted blanket explanations, in terms of [End Page 257] evil spirits or lack of faith, that seem ludicrous to us now that we have a better grasp of the variety of factors that can cause our bodies to misfunction. So before asking naively "Why and how can people do these awful things?" we should ask "Is there a deeper causal unity here, beyond the fact that we react to these acts with horror?"My suspicion is that there is not much unity, that it is asking too much to want a common profile to the psychology of serial killers, or of proponents of genocide, let alone a profile that applies across these and other categories. What we can do, I believe, is describe our concept of evil in such a way that we can leave some parameters to be filled in by a large variety of objective psychological factors. Even this runs the risk that the really relevant factors cannot be forced into the role that the philosophical account requires. In... (shrink)

Ian Hacking defines a “style of scientific thinking” loosely as a “way to find things out about the world” characterised by five hallmark features of a number of scientific template styles. Most prominently, these are autonomy and “self-authentication”: a scientific style of thinking, according to Hacking, is not good because it helps us find out the truth in some domain, it itself defines the criteria for truth-telling in its domain. I argue that Renaissance medicine, Mediaeval “demonology”, and magical thinking pass (...) muster as scientific according to Hacking's criteria. However, application of these thought styles to the entities they introduce generates statements that logically imply a set of “ordinary” statements—or what Bernard Williams calls “plain truths”—which, contra the claims of autonomy and self-authentication, allows styles to be assessed from a style- independent perspective. Using Williams’ notion of plain truth, I show that Renaissance medicine, demonology, and magical thinking, in reality issue in many plain falsehoods. This confronts us with what I call Hacking's dilemma: either define stricter necessary conditions on being a style of scientific thinking, or concede that some styles albeit scientific are not as good at finding things out about the world as others. I make three suggestions to deal with the dilemma. (shrink)

There is no straightforward inference from there being fictional characters to any interesting form of realism. One reason is that “fictional” may be an intensional operator with wide scope, depriving the quantifier of its usual force. Another is that not all uses of “there are” are ontologically committing. A realist needs to show that neither of these phenomena are present in “There are fictional characters”. Other roads to realism run into difficulties when negotiating the role that presupposition plays when we (...) make intuitive evaluations of the truth or falsehood of sentences involving fiction, for we may presuppose things we do not believe. This means that a judgment of truth, implicitly relative to a presupposition we do not believe, can be sincerely made by someone who, from a more austere perspective, would regard the judgment as false. (shrink)

James Sterba describes the egoist as thinking only egoist reasons decide the rationality of choices of action, the altruist, only altruistic reasons, that each in effect begs the question of what reasons there are against the other, and that the only non-question-begging and therefore rationally defensible position in this controversy is the middle-ground position that high-ranking egoistic reasons should trump low ranking-altruistic considerations and vice versa, this position being co-extensive with morality. Therefore it is rationally obligatory choose morally. I object (...) that the mere fact that a position is intermediate between two extremes does not mean it isn’t question-begging; that Sterba’s style of argument could be used to prove anything and therefore proves nothing; that it can be used to prove obvious falsehoods and therefore doesn’t necessarily track the truth; that it can be used to prove the truth of contingent, empirically obvious falsehoods when, since it is necessary a prior that one ought to be moral, something can be a good argument for the rationality of morality only if the argument’s style would entail only truths necessary a priori; that Sterba’s argument cannot inherit plausibility from what Sterba describes as the decision theoretic idea that when choosing among options where we have no evidence that one is more appropriate than the other, we must treat them as equally choice-worthy, since there is no such idea in decision theory, and shouldn’t be (for when, for example, there is no evidence that x exists and no evidence that x does not exist, one should believe that x does not exist; one should not chose as if x’s existence and non-existence were equally likely); that Sterba’s argument style is not analogous to the compromise strategies recommended in bargaining theory, nor in negotiating situations (although it would profit Sterba to consider David Gauthier’s approach in seeking to demonstrate that morality is both a middle ground between egoism and altruism, and is rationally obligatory); that it is problematic to see egoistic and altruistic reasons as commensurable and therefore admitting of a middle ground, especially a unique middle ground; that in any case, egoistic and altruistic reasons are not exhaustive of the reasons there could be; that the only sense in which moving to middle ground results in the parties not begging the question against each other is that it means they would be agreeing with each other and therefore not holding positions against each other, whether question-beggingly or otherwise, a fact which offers neither any rationally compelling reason to move her position closer to that of the other (for how can the mere fact that if we agreed we wouldn’t be begging the question against each other be a reason to agree?); and that even if morality is both rationally obligatory and a middle ground between egoism and altruism, it won’t be in any interesting sense true that this holds because the alternative would be question-begging, which means that analyzing the basis of the rationality of morality as being found in this principle of argumentation theory misconceives the nature of morality. (shrink)

Kit Fine has proposed a new solution to what he calls ‘a familiar puzzle’ concerning modality and existence. The puzzle concerns the argument from the alleged truths ‘It is necessary that Socrates is a man’ and ‘It is possible that Socrates does not exist’ to the apparent falsehood ‘It is possible that Socrates is a man and does not exist’. We discuss in detail Fine’s setting up of the ‘puzzle’ and his rejection, with which we concur, of two mooted (...) solutions to it. (One of these uses standard, Kripkean, notions, and the other rests on work done by Arthur Prior.) We set out, and reject, the philosophy of modality underlying Fine’s new solution, and we defend an alternative response to the alleged puzzle. Our solution follows the work of David Wiggins in distinguishing between the sentential operator ‘It is necessary that’ and the predicate modifier ‘necessarily’. We briefly provide this distinction with a possible- world semantics on which it is neither a necessary truth, in some sense, that Socrates exists nor true, in some sense, that Socrates necessarily exists. (shrink)

We are much better equipped to let the facts reveal themselves to us instead of blinding ourselves to them or stubbornly trying to force them into preconceived molds. We no longer embarrass ourselves in front of our students, for example, by insisting that “Some Xs are Y” means the same as “Some X is Y”, and lamely adding “for purposes of logic” whenever there is pushback. Logic teaching in this century can exploit the new spirit of objectivity, humility, clarity, observationalism, (...) contextualism, and pluralism. Besides the new spirit there have been quiet developments in logic and its history and philosophy that could radically improve logic teaching. One rather conspicuous example is that the process of refining logical terminology has been productive. Future logic students will no longer be burdened by obscure terminology and they will be able to read, think, talk, and write about logic in a more careful and more rewarding manner. Closely related is increased use and study of variable-enhanced natural language as in “Every proposition x that implies some proposition y that is false also implies some proposition z that is true”. Another welcome development is the culmination of the slow demise of logicism. No longer is the teacher blocked from using examples from arithmetic and algebra fearing that the students had been indoctrinated into thinking that every mathematical truth was a tautology and that every mathematical falsehood was a contradiction. A fifth welcome development is the separation of laws of logic from so-called logical truths, i.e., tautologies. Now we can teach the logical independence of the laws of excluded middle and non-contradiction without fear that students had been indoctrinated into thinking that every logical law was a tautology and that every falsehood of logic was a contradiction. This separation permits the logic teacher to apply logic in the clarification of laws of logic. This lecture expands the above points, which apply equally well in first, second, and third courses, i.e. in “critical thinking”, “deductive logic”, and “symbolic logic”. (shrink)

Each of us is a measure. The project of advocates of change in Plato’s Theaetetus as compared with sophistic thought -/- Summary -/- One of the most intriguing motives in Plato’s Theaetetus is its historical-based division of philosophy, which revolves around the concepts of rest (represented by Parmenides and his disciples) and change (represented by Protagoras, Homer, Empedocles, and Epicharmus). This unique approach gives an opportunity to reconstruct the views of marginalized trend of early Greek philosophy - so called „the (...) sophistic movement”. Paradoxically, previous research shows little interest in sophistic thought as a source of the standpoint of advocates of change („the secret doctrine”). The roots of „the secret doctrine” were investigated in the works of Heraclitus, Aristippus, and Antisthenes or those related to “neoheracliteanism”. However, researchers did not make any significant attempt to confront this concept with the contemporary research on the sophistic movement. The conviction that sophistry was primarily humanistically oriented was one of the main reasons why researches were opposed to the fact that „the secret doctrine” could represent a true expression of Protagoras’ views. This is why J. Burnet and F. M. Cornford in their seminal works assumed that “the secret doctrine” should be attributed to Plato, who simply combined a series of loose statements into one single project. In this work, we argue that the thesis which questions the parallels between the sophists’ interests and the philosophers of nature requires a significant revision. There is ample evidence to suggest that the philosophy of nature was a part of sophists’ research. This is supported by two main arguments. First, the tutors of sophists were philosophers of nature. Second, there are numerous sources that explicitly show sophists’ interest in the physical issues. These sources include anecdotal evidence about the fact that sophists wrote works On nature. There is also information confirming that they deliberated on detailed physical issues. The analogies between the concepts attributed to the advocates of change and our knowledge about sophists from other sources is very wide and contains most elements, which are included in the project of “changeable reality” presented in Theaetetus. The deliberations on the mechanism of perception, which are close to those of flux theory of perception in Theaetetus, are present in the sources referring to Gorgias of Leontinoi, the famous sophist and rhetorician. Also, the second element of “the secret doctrine” that is the metaphysics of flux matches up with what we know about the sophists’ views from other sources. On this basis, one can deduce that – contrary to the tradition which marginalized the role of sophistic considerations on the issue of being and non-being – it was one of the major subjects of sophistic research. Its main point was the criticism of the Eleatic conception of a single and unchangeable being, which also plays a key role in the doctrine of flux in Theaetetus. The epistemological theses which are presented in Theaetetus are borne out in sophistic sources. They include the definition of knowledge as perception, the „Man-measure” formula and a number of principles, which result from these foundational theses. Sophists’ empirical preferences resonate with the theses of the advocates of change in Theaetetus. Special attention that is given to the issues of differences among people, and even to cognitive differences in one person depending on the changeable states to which a person is subject, goes well together with what we know about reciprocal influence between the sophistry and medicine. The consequences of the epistemological conception present in Theaetetus have their equivalents in sophists’ works and other testimonies. An example of these consequences may be the abolition of truth and falsehood or the abolition of contradiction, which finds its expression in the thesis ouk estin antilegein. The analogies also concern reflections on the language itself. The project of the “new language” uses categories, which were developed by sophists. These include the antithesis of nomos and physis. The general intentions of this project reflect Protagoras’ ideas, at least to the extent to which they are known from the sources reporting his thoughts on language. Plato’s Theaetetus can thus be considered a veritable treasury of sophistic motifs. Even though the problem remains unsolved and one is still not able to unambiguously decide about the author of “the secret doctrine”, one can come to a certain conclusion – even if Plato synthesized various doctrines, he must have relied in his project mostly on the elements that he borrowed from sophists. Moreover, the value of reconstructing the project of the advocates of change in Theaetetus does not consist of mere enumeration of sophistic motifs. The dialogue is key to understanding the sophistic movement, whose separate doctrines – for the lack of sources and as a result of centuries-old disregard – are usually treated as rhetorical formulae that are interpreted in many ways and have no philosophical foundations. If it is really the case that the theses attributed to Protagoras in Theaetetus were actually a part or a derivative of Protagoras’ thought, or – speaking more conservatively – if they constitute a synthesis of sophistic thought done by Plato, they could represent philosophical foundations for the most important sophistic theses: the “Man-measure” formula, the ouk estin antilegein principle, the concept of language as a tool, the idea of the relativity of good and the whole practical sphere of sophists’ activity. Contrary to the views of many researchers, we are certain that the representatives of the sophistic movement did not limit themselves only to the application of practical rules, which determined the extent of their educational or rhetorical-political activity. They were capable of creating – indeed, they did create comprehensive projects that embraced the whole thematic scope subject to philosophical reflection. (shrink)

The competing expressions of ideology flooding the contemporary political landscape have taken a turn toward the absurd. The Radiance Foundation’s recent anti-abortion campaign targeting African-American women, including a series of billboards bearing the slogan “The most dangerous place for an African-American child is in the womb”, is just one example of political "discourse" that is both infuriating and confounding. Discourse with these features – problematic intelligibility, disinterest in the truth, and inflammatory rhetoric – has become increasingly common in politics, the (...) press, and even the arguments made by ordinary folk. It is often criticized for its falsehood or its hurtfulness; however, these critiques tend to miss its pernicious potential. This essay characterizes this insidious discourse as purposeful nonsense. Part of the way that purposeful nonsense functions, we argue, relies on taking advantage of harmful stereotypes and denigrating narratives that are already present in our culture. Purposeful nonsense both draws upon harmful ideology and fortifies it. The effect is that members of oppressed social groups are confronted with disparaging ideology, while its authors are free to deny responsibility for it. Black feminist and intersectional analysis – particularly in the discussion of race, abortion, and reproductive justice – are useful in identifying and criticizing the harmful subtext in the Radiance Foundation’s billboard campaign. The notion of purposeful nonsense serves to extend the reach of these criticisms. Purposeful nonsense – disguised as merely logically confused discourse – is a key factor in maintaining an oppressive and unjust society; however, feminist, black feminist, and intersectional analysis contextualizes purposeful nonsense, potentially disrupting its harmful influence. We conclude that purposeful nonsense employs a variation on stereotype threat, a phenomenon in which being reminded of negative stereotypes about one’s social group causes stereotypical performance failures. We suggest that the notion of stereotype threat combined with intersectional analysis offers a fruitful avenue along which research on this sort of discourse might be expanded. (shrink)

We provide here irrefutable facts that prove the falsehood of the claims published in [1] by Dehmer and Mowshowitz (DM) against our paper published in [2]. We first prove that Dehmer’s definition of node probability [3] is flawed. In addition, we show that it was not Dehmer in [3] who proposed this definition for the first time. We continue by proving how the use of Dehmer’s definition does not reveal all the physico-mathematical richness of the walk entropy of graphs. (...) Finally, we show a few facts about the failure of DM themselves to cite properly the relevant literature in their field. We also show here how the Editors of Complexity have failed to manage the publication of [1] in an appropriate way according to the accepted guidelines given in the Code of Conduct and Best Practice Guidelines for Journal Editors, published by the Committee on Publication Ethics (COPE). (shrink)

Consider the following. The first is a one-premise argument; the second has two premises. The question sign marks the conclusions as such. -/- Matthew, Mark, Luke, and John wrote Greek. ? Every evangelist wrote Greek. -/- Matthew, Mark, Luke, and John wrote Greek. Every evangelist is Matthew, Mark, Luke, or John. ? Every evangelist wrote Greek. -/- The above pair of premise-conclusion arguments is of a sort familiar to logicians and philosophers of science. In each case the first premise is (...) logically equivalent to the set of four atomic propositions: “Matthew wrote Greek”, “Mark wrote Greek”, “Luke wrote Greek”, and “John wrote Greek”. The universe of discourse is the set of evangelists. We presuppose standard first-order logic. -/- As many logic texts teach, the first of these two premise-conclusion arguments—sometimes called a complete enumerative induction— is invalid in the sense that its conclusion does not follow from its premises. To get a counterargument, replace ‘Matthew’, ‘Mark’, ‘Luke’, and ‘John’ by ‘two’,’four’, ‘six’ and ‘eight’; replace ‘wrote Greek’ by ‘are even’; and replace ‘evangelist’ by ‘number’. This replacement converts the first argument into one having true premises and false conclusion. -/- But the same replacement performed on the second argument does no such thing: it converts the second premise into the falsehood “Every number is two, four, six, or eight”. As many logic texts teach, there is no replacement that converts the second argument into one with all true premises and false conclusion. The second is valid; its conclusion is deducible from its two premises using an instructive natural deduction. -/- This paper “does the math” behind the above examples. The theorem could be stated informally: the above examples are typical. (shrink)

It has been claimed that justification, conceived traditionally in an internalist fashion, is not an epistemologically important property. I argue for the importance of a conception of justification that is completely dependent on the subject’s experience, using an analogy to advice. The epistemological importance of a property depends on two desiderata: the extent to which it guarantees the epistemic goal of attaining truth and avoiding falsehood, and the extent to which it depends only on the information available to the (...) believer. The traditional intermalist notion of justification completely satisfies the second desideratum and largely satisfies the first. (shrink)

Thought is the primary realm in which truth and falsity may occur and speech the secondary realm of this occurrence while the realm of external being has no truth and falsity in itself. The first and last points are directly asserted by Aristotle in one text: ‘Falsity and truth are not in things-it is not as if the good were true, and the bad were in itself false- but in thought.’ (Met., E, 1027b25-27; cf. Met., K, 1065a22-23) The second point (...) is also somehow implied: ‘As there are in the mind thoughts which do not involve truth and falsity, and those which must be either true or false, so it is in speech.’ (OI, I, 1, 16a9-11) 1) Truth and falsity belong only to co-positings and positing aways and not to incomposites Truth and falsity do not belong to the realm of external being but only to the realms of thought and language. However, they do not belong to all the elements in these realms. Neither do they belong to incomposite elements in thought (‘With regard to simple things and essences, falsity and truth do not exist even in thought.’ (Met., E, 1027b26-28; So., Γ, 6, 430a26-b4)), nor to such elements in language. Consequently, all incomposites are incapable of being true or false. (cf. Met., Θ, 1051b17-22 and b26-27) Where we have no co-positing or positing away, of the kind made by copula or verb, we cannot have truth and falsity though we can have significance: ‘“Man” and “white”, as isolated terms, are not yet either true or false. In proof of this, consider the word “good-stag.” It has significance, but there is no truth or falsity about it, unless “is” or “is not” is added, either in present or in some other tense.’ (OI., I, 1, 16a14-18) Therefore, any other kind of co-positing cannot be the subject of truth and falsity. One good example of co-positings not made by copula or verbs are simple negations: ‘He that uses the expression ‘not-man,’ if nothing more be added, is not nearer but farther from making a true or a false statement than he who uses the expression “man.”’ (OI., I, 10, 20a34-36) It is indeed a co-positing or a positing away that is the subject of truth and falsity: ‘For it is co-positing (σύνθεσιν) and positing away (διαίρεσιν) that truth and falsity is about.’ (OI., I, 1, 16a12-13) Co-positing is so vital for truth-falsity that ‘of the things that are never said based on co-positing, nothing is true or false.’ (Cat., 10, 13b9-11) This co-positing can be both in thought (‘where the alternative of true or false applies, there we always find a sort of combining of objects of thought in a quasi-unity … For falsehood always involves a combining’ (So., Γ, 6, 430a26-b2) and ‘truth or false is a co-positing of concepts of thought’ (So., Γ, 6, 430a11-12) and in language because they are produced in thought: ‘There is not only the true or false assertion that Cleon is white but also the true or false assertion that he was or will be white. In each and every case that which unifies is thought.’ (So., Γ, 6, 430b4-6) 2) Correspondence to external world Although truth and falsity belong to thought and language and not to external world, their basis is in the external world. It is, in fact, the correspondence of thought and language to external world that makes what is true, true and what is false, false: ‘To say of what is that it is, or of what is not that it is not, is false, while to say of what is that it is, and of what is not that is not, is true.’ (Met., Γ, 1011b26-27; cf. Met., Θ, 1051b2-5) When the two realms are correspondent, we can transfer from one to the other: ‘If it is true to say that a thing is white, it must necessarily be white; if the reverse proposition be true, it will of necessity not be white. Again, if it is white, the proposition stating that it is white was true; if it is not white, the proposition to the opposite effect was true. And if it is not white, the man who states that it is making a false statement, it follows that it is not white.’ (OI., I, 9, 18a39-b3) This possible mutual transformation does not, however, imply that each realm is the basis of the other. In fact, it is only the external world that is the basis of truth and falsity in thought or language and not vice versa: ‘it is not because we think that you are white, that you are white, but because you are white we who say this have the truth.’ (Met., Θ, 1051b6-9; Cat., 5, 4b8-10) Aristotle even calls the external world the ‘cause’ of truth in the realm of language while the converse causation is not approved: ‘Whereas the true statement is in no way the cause of the actual thing’s existence, the actual thing does seem in some way the cause of the statement’s being true: it is because the actual thing exists or does not that the statement is called true or false.’ (Cat., 12, 14b18-22) This one-sided relation Aristotle calls ‘reciprocation as to implication of existence’: ‘For there being a man reciprocates as to implication of existence with the true statement about it: if there is a man, the statement whereby we say that there is a man is true, and reciprocally- since if the statement whereby we say that there is a man is true, there is a man. And whereas the true statement is in no way the cause of the actual thing’s existence, the actual thing does seem in some way the cause of the statement’s being true: it is because the actual thing exists or does not that the statement is called true or false,’ (Cat., 12, 14b14-22) Aristotle attaches falsity to not-being: ‘We cal things false in this way, then, either because they themselves do not exist, or because the appearance which results from them is that of something that does not exist.’ (Met., Δ, 1024b24-26) Or: ‘A false formula is the formula of non-existent objects, in so far as it is false.’ (Met., Δ, 1024b26-27) This correspondence to ‘non-being’ is, however, more a miscorrespondence: ‘Hence every formula is false when applied to something other than that of which it is true, e.g. the formula of a circle is false when applied to a triangle.’ (Met., Δ, 1024b27-28) . (shrink)

The Principle of Identity of Indiscernibles (PII) is the focus of much controversy in the history of Metaphysics and in contemporary Physics. Many questions rover the debate about its truth or falsehood, for example, to which objects the principle applies? Which properties can be counted as discerning properties? Is the principle necessary? In other words, which version of the principle is the correct and is this version true? This thesis aims to answer this questions in order to show that (...) PII is a necessarily true principle of metaphysics. To accomplish this task, the reader will find, in this thesis, an encyclopaedical introduction to the history of PII and to the reasons it matters so much, followed by a presentation of the most famous arguments against it and the defences used against these arguments. Then, the reader finds in-depth discussion of the minutiae involved in postulating the principle as to make clear what is in fact being attacked and defended. With these preliminaries solved, a deeper analysis of these defences is presented aiming to discover which is the most appropriate example to use against the attacks to the principle. This analysis allowed a classification of these defences in four families with different strategies within them. Finally, with these defensive strategies at hand we are able to confront alleged counterexamples to PII in Mathematics with the intention to test these defences. (shrink)

The amount of data to which a human is exposed has increased over time. The Delude is defined here as an individual that is overwhelmed by various incoherent and false assertions that data contains. This writing is a philosophical study that reflects on the epistemic conditions in which knowledge is accumulated. It is obvious that large amounts of falsehood, when regarded as truth, can induce heavy damage to anyone's intellect. -/- Frequently, a faulty mental state is induced by corrupt (...) knowledge. "The Delude" is an individual predisposed to accept as true large amounts of incoherent and false opinions. Understanding the complex conditions that induce a person to become 'a delude' is important; it is probable that these conditions will trigger a sad, miserable, and even an anti-social life. -/- The following are quotes from the text: -/- • The concept of the “delude” forwards the inference that man is not guaranteed rationality; man is merely capable of being rational. • What typically the deluded fool says is not right or even wrong; it is downright stupid. • At times, facts are in front of us; the blind can't see them, the deaf can't hear them, and the deluded fool can't believe them! • Delude: an individual who regards his own mental fascinations as reality, and is predisposed to strongly dedicate his or her entire life to a single idea which can be useful or destructive to his or her own life. • A generally accepted opinion is not, on that basis, guaranteed valid or a proof of its accuracy; equally, it is not proof of its falsity. The writing was reviewed by KIRKUS REVIEWS and also has a stared review from the ForeWord REVIEWS: -/- • In many instances, Gondor’s descriptions conjure a human image to the reader’s mind—i.e., “Extremism,” Gondor warns, “is a direct consequence of a highly deluded mind,” and particularly in politics and religion, he says, the delude can be a dangerous, unsettling force. – KIRKUS REVIEWS. -/- • According to Gondor, deludes tend to be conservative in their beliefs and convinced that their opinions are irrevocably true, despite evidence to the contrary. – ForeWord REVIEWS. -/- • Gondor believes that this narrow view comes from ingrained prejudices and limited cognitive ability, and he asserts that deluded people lack the capacity to objectively consider opposing or multiple perspectives. Consequently, they cling to the positions they understand with single-minded determination and often become radical advocates of those opinions. For example, an avid environmentalist who argues adamantly for the preservation of old-growth forests but also drives a large gas-guzzling and polluting truck through those same woods would be considered a delude. – ForeWord REVIEWS. -/- Fun reading, loaded with many ideas. You can download a PDF copy from this website, or can get a printed copy on Amazon. (shrink)

I claim that we should reject a sharp distinction between fiction and non-fiction according to which documentary is a faithful representation of the facts, whilst fiction films merely invite us to imagine what is made up. Instead, we should think of fiction and non-fiction as genres: categories whose membership is determined by a combination of non-essential features and which influence appreciation in a variety of ways. An objection to this approach is that it renders the distinction too conventional and fragile, (...) undermining our justification for criticising documentaries like Bowling for Columbine or The Hunting Ground for playing fast and loose with the facts. I argue that this objection is misguided, misidentifying the justification for criticising non-fiction films that mislead or deceive. I develop an alternative account that explains why we also criticise many fictions for inaccuracy. (shrink)

According to the safety account of knowledge, one knows that p only if one’s belief could not easily have been false. An important issue for the account is whether we should only examine the target belief when evaluating whether a belief is safe or not. In this paper, it is argued that, if we should only examine the target belief, then the account fails to account for ignorance of necessary truths. But, if we should also examine beliefs in other relevant (...) propositions, then the account fails to account for knowledge from falsehood. Therefore, the safety account of knowledge is undermined by knowledge from falsehood and ignorance of necessary truths. (shrink)

We propose a logic to reason about data collected by a num- ber of measurement systems. The semantic of this logic is grounded on the epistemic theory of measurement that gives a central role to measure- ment devices and calibration. In this perspective, the lack of evidences (in the available data) for the truth or falsehood of a proposition requires the introduction of a third truth-value (the undetermined). Moreover, the data collected by a given source are here represented by (...) means of a possible world, which provide a contextual view on the objects in the domain. We approach (possibly) conflicting data coming from different sources in a social choice theoretic fashion: we investigate viable opera- tors to aggregate data and we represent them in our logic by means of suitable (minimal) modal operators. (shrink)

Philosophers have debated whether it is possible to knowledgeably infer a conclusion from a false premise. For example, if a fan believes that the actress’s dress is blue, but the dress is actually green, can the fan knowledgeably infer “the dress is not red” from “the dress is blue”? One aspect of this debate concerns what the intuitively correct verdict is about specific cases such as this. Here I report a simple behavioral experiment that helps answer this question. The main (...) finding is that people attribute knowledge in cases where a true conclusion is inferred from a false premise. People did this despite judging that the premise was false and unknown. People also viewed the agent as inferring the conclusion from the premise. In closely matched conditions where the conclusion was false, people did not attribute knowledge of the conclusion. These results support the view that the ordinary knowledge concept includes in its extension cases of knowledge inferred from false premises. (shrink)

A growing number of authors defend putative examples of knowledge from falsehood (KFF), inferential knowledge based in a critical or essential way on false premises, and they argue that KFF has important implications for many areas of epistemology (whether evidence can be false, the Gettier debate, defeasibility theories of knowledge, etc.). I argue, however, that there is no KFF, because in any supposed example either the falsehood does not contribute to the knowledge or the subject lacks knowledge. In (...) particular, I show that if the subject actually has knowledge in putative KFF cases, then there is always a veridical evidential path meeting the basing conditions that accounts for her knowledge; if there is no such path, then the subject is in a type of Gettier case. All the recent arguments that rely on KFF are therefore based on a mistake. (shrink)

In this paper, I claim that the personal/subpersonal distinction is first and foremost a distinction between two kinds of psychological theory or explanation: it is only in this form that we can understand why the distinction was first introduced, and how it continues to earn its keep. I go on to examine the different ontological commitments that might lead us from the primary distinction between personal and subpersonal explanations to a derivative distinction between personal and subpersonal states. I argue that (...) on one of the most common metaphysical interpretations of the explanatory distinction, talk of a distinction between personal and subpersonal states simply makes no sense. When people insist on applying the personal/subpersonal terminology to psychological states, I allow that they are often making a genuine distinction, but one that it is best understood in terms of Stich's (1978) distinction between doxastic and subdoxastic states. I end the paper by considering some other common misinterpretations of the personal/subpersonal distinction, such as those involving consciousness, normativity, or autonomy. (shrink)

Philosophy and Phenomenological Research, EarlyView.