Many researchers want to unify probability and logic by defining logical probability or probabilistic logic reasonably. This paper tries to unify statistics and logic so that we can use both statistical probability and logical probability at the same time. For this purpose, this paper proposes the P–T probability framework, which is assembled with Shannon’s statistical probability framework for communication, Kolmogorov’s probability axioms for logical probability, and Zadeh’s membership functions used as truth functions. Two kinds of probabilities are connected by an (...) extended Bayes’ theorem, with which we can convert a likelihood function and a truth function from one to another. Hence, we can train truth functions (in logic) by sampling distributions (in statistics). This probability framework was developed in the author’s long-term studies on semantic information, statistical learning, and color vision. This paper first proposes the P–T probability framework and explains different probabilities in it by its applications to semantic information theory. Then, this framework and the semantic information methods are applied to statistical learning, statistical mechanics, hypothesis evaluation (including falsification), confirmation, and Bayesian reasoning. Theoretical applications illustrate the reasonability and practicability of this framework. This framework is helpful for interpretable AI. To interpret neural networks, we need further study. (shrink)

What Bar-On and Simmons call 'Conceptual Deflationism' is the thesis that truth is a 'thin' concept in the sense that it is not suited to play any explanatory role in our scientific theorizing. One obvious place it might play such a role is in semantics, so disquotationalists have been widely concerned to argued that 'compositional principles', such as -/- (C) A conjunction is true iff its conjuncts are true -/- are ultimately quite trivial and, more generally, that semantic theorists have (...) misconceived the relation between truth, meaning, and logic. This paper argues, to the contrary, that even such simple compositional principles as (C) have substantial content that cannot be captured by deflationist 'proofs' of them. The key thought is that (C) is supposed, among other things, to affirm the truth-functionality of conjunction and that disquotationalists cannot, ultimately, make sense of truth-functionality. -/- This paper is something of a companion to "The Logical Strength of Compositional Principles". (shrink)

An argument is developed at some length to show that any semantical theory which treats superficially nonperformative sentences as being governed by performative prefaces at some level of underlying structure must either leave those sentences semantically uninterpreted or assign them the wrong truth-conditions. Several possible escapes from this dilemma are examined; it is tentatively concluded that such hypotheses as the Ross-Lakoff-Sadock Performative Analysis should be rejected despite their attractions.

An argument is developed at some length to show that any semantical theory which treats superficially nonperformative sentences as being governed by performative prefaces at some level of underlying structure must either leave those sentences semantically uninterpreted or assign them the wrong truth-conditions. Several possible escapes from this dilemma are examined; it is tentatively concluded that such hypotheses as the Ross-Lakoff-Sadock “Performative Analysis” should be rejected despite their attractions.

Davidson and Burge have claimed that the conditions under which self-knowledge is possessed are such that externalism poses no obstacle to their being met by ordinary speakers and thinkers. On their accounts. no such person could fail to possess self-knowledge. But we do from time to time attribute to each other such failures; so we should prefer to their accounts an account that preserves first person authority while allowing us to make sense of what appear to be true attributions of (...) such failures.While the core idea behind Davidson’s and Burge’s accounts appears inadequate to this task, I argue that it can be deployed in such a way as to deliver the desired result. What makes this possible is that two attitude-types can differ as follows: the self-knowledge required for an utterance to be a Φing that p is different from the self-knowledge required for it to be a Ψing that p. (shrink)

Davidson and Burge have claimed that the conditions under which self‐knowledge is possessed are such that externalism poses no obstacle to their being met by ordinary speakers and thinkers. On their accounts, no such person could fail to possess self‐knowledge. But we do from time to time attribute to each other such failures; so we should prefer to their accounts an account that preserves first person authority while allowing us to make sense of what appear to be true attributions of (...) such failures.While the core idea behind Davidson's and Burge's accounts appears ioadequate to this task, I argue that it can be deployed in such a way as to deliver the desired result. What makes this possible is that two attitude‐types can differ as follows: the self‐knowledge required for an utterance to be a Oing that p is different from the self‐knowledge required for it to be a Ψfing that p. (shrink)

The goal of philosophy of information is to understand what information is, how it operates, and how to put it to work. But unlike ‘information’ in the technical sense of information theory, what we are interested in is meaningful information. To understand the nature and dynamics of information in this sense we have to understand meaning. What we offer here are simple computational models that show emergence of meaning and information transfer in randomized arrays of neural nets. These we take (...) to be formal instantiations of a tradition of theories of meaning as use. What they offer, we propose, is a glimpse into the origin and dynamics of at least simple forms of meaning and information transfer as properties inherent in behavioral coordination across a community. (shrink)

The goal of philosophy of information is to understand what information is, how it operates, and how to put it to work. But unlike ‘information’ in the technical sense of information theory, what we are interested in is meaningful information. To understand the nature and dynamics of information in this sense we have to understand meaning. What we offer here are simple computational models that show emergence of meaning and information transfer in randomized arrays of neural nets. These we take (...) to be formal instantiations of a tradition of theories of meaning as use. What they offer, we propose, is a glimpse into the origin and dynamics of at least simple forms of meaning and information transfer as properties inherent in behavioral coordination across a community. (shrink)

The present article is the second part of a trilogy of papers, devoted to analysing the influence of semantic Platonism on contemporary philosophy of language. In Part I (Picazo 2021), the discussion was set out by examining a number of typical traces of Platonism in semantic theory since Frege. In a subsequent paper that shall be published elsewere, additional illustrations of such traces will be provided, taken from a collection of classic texts in the philosophy of language, also from Frege (...) onwards (Baghramian 1998). Then, the present paper is devoted to providing yet additional illustrations of those traces, but this time taken from a collection of recent commissioned essays on the subject: the book Prospects for Meaning, edited by Richard Schantz in 2012. We shall, thus, describe a considerable number of examples in which the influence of semantic Platonism on these essays can be felt. Prominent among these examples are the adhesion to pseudo-Platonism in the form of semantic mentalism; the typical limitations of avoidant and trivializing semantic accounts; the confinement to logico-philosophical analysis as the only methodology for semantic research; the excesses committed by some radical semantic anti-representationalists and some radical semantic biologists; and the adhesion to hardcore semantic Platonism itself. (shrink)

Semantic gaps between physical and mental discourse include the 'explanatory', 'epistemic' (Black-and-White Mary), and 'suppositional' (zombies) gaps; protosemantics is concerned with what is fundamental to meaning. Our tradition presupposes a truth-based protosemantics, with disastrous consequences for interpreting the semantic gaps: nonphysicalism, epiphenomenalism, separatism. Fortunately, an endorsement-based protosemantics, recentering meaning from the world to the mind, is technically viable, intuitively more plausible, and empirically more adequate. But, of present significance, it makes room for interpreting mental discourse as expressing simulations: this blocks (...) the disastrous consequences; and, as a bonus, accommodates hitherto anomalous asymmetries among the various semantic gaps. (shrink)

Este artículo propone que las actitudes proposicionales doxásticas, o creencias, funcionan en una estructura de dos niveles, uno básico o fundacional, concebido a partir del lenguaje, y otro epistémico o no fundacional, creado a partir del proceso confiabilista. Lo anterior representa sólo un modelo del funcionamiento de la mente en relación con los procesos que originan conocimientos, sin suponer que existan físicamente tales niveles. Lo que sí existiría, puesto que observamos que sus resultados se adecúan al modelo expuesto, son, por (...) un lado, procesos que generan conocimientos y cuyo comportamiento puede describirse mediante conceptos de carácter probabilístico, y por el otro, procesos cuya viabilidad depende del uso adecuado del lenguaje. (shrink)

A remarkable thing about natural language is that we can use it to share our beliefs and thoughts about the world with other speakers of our language. In cases of successful communication, beliefs seem to be transferred from speakers to hearers by means of the hearer recovering the contents of the speaker’s utterances. This is so natural to us that we take it for granted in our everyday life, and rarely stop to think about how it's is possible. Nevertheless, it's (...) a phenomenon that calls for explanation. It is natural to expect that natural language semantics has a key explanatory role to play here. In order to understand this role, we must relate the semantic values assigned to sentences by semantic theory with the content of our speech acts. The simplest possible relation would be identity; the meaning of a sentence is simply the belief expressed by an assertion of the sentence in a given context of utterance. However, a number of problem cases in the literature suggest that this cannot be the case. This dissertation offers a critical assessment of the arguments for distinguishing the semantic value of a sentence from it's so called assertoric content, focusing on problems arising from the analysis of tense and temporal expressions. I conclude that they are indeed distinct, and offer a constructive account of how they must be related in order to allow for an explanation of communicative success. (shrink)

This paper was written with two aims in mind. A large part of it is just an exposition of Tarski’s theory of truth. Philosophers do not agree on how Tarski’s theory is related to their investigations. Some of them doubt whether that theory has any relevance to philosophical issues and in particular whether it can be applied in dealing with the problems of philosophy (theory) of science. In this paper I argue that Tarski’s chief concern was the following question. Suppose (...) a language L belongs to the class of languages for which, in full accordance with some formal conditions set in advance, we are able to define the class of all the semantic interpretations the language may acquire. Every interpretation of L can be viewed as a certain structure to which the expressions of the language may refer. Suppose that a specific interpretation of the language L was singled out as the intended one. Suppose, moreover, that the intended interpretation can be characterized in a metalanguage L +. If the above assumptions are satisfied, can the notion of truth for L be defined in the metalanguage L + and, if it can, how can this be done? Many students of Tarski’s conception will find the above exposition inconsistent with their own views on the essence of Tarski’s conception. On the other hand, as it is argued in this paper, the proposed interpretation of Tarski’s ideas allows one to use Tarski’s theory as a fundamental tool for semantic analyses of various theories, factual theories in particular. More specifically, it is argued that Tarski’s theory of truth allows one to clearly oppose a theory meant to be certain deductive system (a set of accepted sentences, say axioms, and a logical machinery for deducing from them new ones) and a theory meant to be a certain semantic system, i.e a set of sentences that serve to communicate some states of affairs and to use that opposition to explicate and occasionally also define the notion of truth. The opposition in question is of the utmost significance for analyzing some developments in both mathematics and factual sciences. The approach which is concerned with the logical relations between the elements of science such an approach is throughout this paper called analytical is put into question. The growth of science is determined by how well scientific theories are able to account for factual states of affairs. The intuitive notion of truth applied by the scientists does not necessarily correspond in a straightforward way to its Tarskian counterpart. On the other hand, as is claimed in this paper, the Tarskian notion of truth offers as adequate explication of intuitive notion of truth as possible. (shrink)

This paper was written with two aims in mind. A large part of it is just an exposition of Tarski’s theory of truth. Philosophers do not agree on how Tarski’s theory is related to their investigations. Some of them doubt whether that theory has any relevance to philosophical issues and in particular whether it can be applied in dealing with the problems of philosophy (theory) of science. In this paper I argue that Tarski’s chief concern was the following question. Suppose (...) a language L belongs to the class of languages for which, in full accordance with some formal conditions set in advance, we are able to define the class of all the semantic interpretations the language may acquire. Every interpretation of L can be viewed as a certain structure to which the expressions of the language may refer. Suppose that a specific interpretation of the language L was singled out as the intended one. Suppose, moreover, that the intended interpretation can be characterized in a metalanguage L +. If the above assumptions are satisfied, can the notion of truth for L be defined in the metalanguage L + and, if it can, how can this be done? Many students of Tarski’s conception will find the above exposition inconsistent with their own views on the essence of Tarski’s conception. On the other hand, as it is argued in this paper, the proposed interpretation of Tarski’s ideas allows one to use Tarski’s theory as a fundamental tool for semantic analyses of various theories, factual theories in particular. More specifically, it is argued that Tarski’s theory of truth allows one to clearly oppose a theory meant to be certain deductive system (a set of accepted sentences, say axioms, and a logical machinery for deducing from them new ones) and a theory meant to be a certain semantic system, i.e a set of sentences that serve to communicate some states of affairs and to use that opposition to explicate and occasionally also define the notion of truth. The opposition in question is of the utmost significance for analyzing some developments in both mathematics and factual sciences. The approach which is concerned with the logical relations between the elements of science such an approach is throughout this paper called analytical is put into question. The growth of science is determined by how well scientific theories are able to account for factual states of affairs. The intuitive notion of truth applied by the scientists does not necessarily correspond in a straightforward way to its Tarskian counterpart. On the other hand, as is claimed in this paper, the Tarskian notion of truth offers as adequate explication of intuitive notion of truth as possible. (shrink)

Davidsonian analyses of action reports like ‘Alvin chased Theodore around a tree’ are often viewed as supporting the hypothesis that sentences of a human language H have truth conditions that can be specified by a Tarski-style theory of truth for H. But in my view, simple cases of adverbial modification add to the reasons for rejecting this hypothesis, even though Davidson rightly diagnosed many implications involving adverbs as cases of conjunct-reduction in the scope of an existential quantifier. I think the (...) puzzles in this vicinity reflect “framing effects,” which reveal the implausibility of certain assumptions about how linguistic meaning is related to truth and logical form. We need to replace these assumptions with alternatives, instead of positing implausible values of event-variables or implausible relativizations of truth to linguistic descriptions of actual events. (shrink)

1 Logic in philosophy The century that was Logic has played an important role in modern philosophy, especially, in alliances with philosophical schools such as the Vienna Circle, neopositivism, or formal language variants of analytical philosophy. The original impact was via the work of Frege, Russell, and other pioneers, backed up by the prestige of research into the foundations of mathematics, which was fast bringing to light those amazing insights that still impress us to-day. The Golden Age of the 1930s (...) deeply affected philosophy, and heartened the minority of philosophers with a formalanalytical bent. As Brand Blanshard writes in Reason and Analysis (1964) – I quote from memory here, to avoid the usual disappointment when re-reading an original text. (shrink)

The paper identifies some background assumptions of compositionality in formal semantics and investigates how they shape formal semantics as a scientific discipline.

Certain translational T-schemes of the form True « f, where f can be almost any translation you like of f, will be a conservative extension of Peano arithmetic. I have an inkling that this means something philosophically, but I don’t understand my own inkling.

Two features of Paul Horwich's minimalist conception of truth (1990) make it stand out from the deflationary crowd. First, Horwich takes propositions to be the primary vehicles of truth (1990: 17-18, Ch. 6). Second, he claims that an explicit definition of truth applicable to propositions cannot be given (1990: 26-31), and hence that the meaning of 'true' can only be determined by our disposition to assent to the infinitely many (non-paradoxical) instances of the following schema: (E) The proposition that p (...) is true if and only if p (1990:38). In a recent article Donald Davidson (1996) provides an objection to the effect that these two features of Horwich's minimalism conspire to ruin it. In this brief note I aim to show that a convincing reply is available to the minimalist. (shrink)

The aim of this paper is twofold. On the one hand, it aims to show that within contemporary philosophy of perception, it has become far from clear what proponents of the Content View mean when they claim that experience has accuracy conditions and, therefore, accuracy evaluable content. Two very different interpretations can be discerned here, one which holds that content _has_ accuracy conditions and one which explicitly identifies content with such conditions. On the other hand, the paper wants to argue (...) that neither of these versions succeeds in showing why we should attribute either accuracy conditions or accuracy evaluable content to perceptual experience. To this end, I will present an elaborated argument (which focuses on the moon illusion) to show why we have as yet no reason to think that perceptual experience has accuracy conditions and, therefore, accuracy evaluable content. Instead, it will be argued that perceptual experience is best thought of as accuracy _maker_, not as something which can itself be representationally accurate or inaccurate. (shrink)

The Manifestation Requirement, advanced by Dummett in his critique of semantic realism, has been criticized for being behavioristic, and the responses have been made that the critics are mistaken. However, the dispute has failed to exhibit the point of the Requirement. In this paper, I shall argue (1) that, in the light of Anscombe's theory of practical knowledge, knowledge of linguistic meaning is to be seen as the knowledge-how that forms the basis of the practical knowledge that an agent has (...) of his own intentional actions, (2) that such knowledge of linguistic meaning is to be based on mutual agreements in a community, and (3) that the Manifestation Requirement is a condition for the possibility of such mutual agreements. As a result, the Manifestation Requirement finds its basis on the idea that language and linguistic acts are tools that we use while continually improving them. (shrink)

The paper enriches the conceptual apparatus of the theory of meaning and denotation that was presented in Part I (Section 3). This part concentrates on the notion of interpretation, which is defined as an equivalence class of the relation possessing the same manner of interpreting types. In this part, some relations between meaning and interpretation, as well as one between denotation an interpretational denotation are established. In the theory of meaning and interpretation, the notion of language communication has been formally (...) introduced and some conditions of correctness of communication have been formulated. (shrink)

There are various ways of achieving an enlarged understanding of a concept of interest. One way is by giving its proper definition. Another is by giving something else a proper definition and then using it to model or formally represent the original concept. Between the two we find varying shades of grey. We might open up a concept by a direct lexical definition of the predicate that expresses it, or by a theory whose theorems define it implicitly. At the other (...) end of the spectrum, the modelling-this-as-that option also admits of like variation, ranging from models rooted in formal representability theorems to models conceived of as having only heuristic value. There exist on both sides of this divide further differences still. In one of them, both the definiendum and definiens of a definition are words or phrases of some common natural language. In others, the item of interest is a natural language expression and its representation is furnished by the artificial linguistic system that models it. The modern history of these approaches is both very large and growing. Much of this evolution has given too short a shrift to the history of the demotion of ‘intuitive’ concepts in favour of the artificially contrived ones intended to model them. A working assumption of this article is that in the absence of a good understanding of what motivated the modelling-turn in the foundations of mathematics and the intuitive theory of truth, the whole notion of formal representability will have been inadequately understood. In the interests of space, I will concentrate on seminal issues in set theory as dealt with by Russell and Frege, and in the theory of truth in natural languages as dealt with by Tarski. The nub of the present focus is the representational role of model theory in the logics of formalized languages. (shrink)

The book provides a historical and systematic exposition of the semantic theory of truth formulated by Alfred Tarski in the 1930s. This theory became famous very soon and inspired logicians and philosophers. It has two different, but interconnected aspects: formal-logical and philosophical. The book deals with both, but it is intended mostly as a philosophical monograph. It explains Tarski’s motivation and presents discussions about his ideas as well as points out various applications of the semantic theory of truth to philosophical (...) problems. (shrink)

Pogląd standardowy jest taki, że semantyka formalna stosuje się do języka naturalnego tylko w bardzo ograniczonym stopniu. Powodem tego stanu rzeczy jest nieunikniona nieokreśloność mowy potocznej polegająca m. in. na wieloznaczno- ściach, nieostrości czy tolerancji składniowej, a także obecności kontekstów intensjonalnych, co skutkuje limitacjami zasady kompozycjonalności. Ponadto konwersacja potoczna korzysta z rozmaitych reguł, np. reguł Grice’a, które wykraczają poza formalizm logiczny. W konsekwencji język naturalny nie podlega pełnej formalizacji. Z drugiej strony, jeśli L jest językiem formalnym, to metajęzyk ML, w (...) którym ten pierwszy jest opisywany, musi być częściowo nieformalny – zawiera np. terminy zwykłej matematyki, w szczególności teorii mnogości. Nawet jeśli, np. dzięki technice arytmetyzacji, ML daje się przedstawić w L, tego rodzaju reprezentacja jest tylko lokalna. W gruncie rzeczy pogląd taki można wyprowadzić z pewnych uwag Tarskiego o roli języka naturalnego. Zwykle przyjmuje się, że tzw. uniwersalność języka potocznego jest źródłem kłopotów związanych z antynomiami. Tak jest oczywiście i okoliczność ta wymaga pewnej „sanacji”, np. postaci odróżnienia stopni języka. Jednakże nawet usunięcie antynomii w taki lub inny sposób nie zmienia faktu, że to, co nieformalne ma priorytet wobec tego, co formalne. W konsekwencji także semantyka formalna ma także swoje ograniczenia w odniesieniu do języków sformalizowanych. (shrink)

Discussions of objectivity often start from considerations about disagreement. We might ask why this should be so. It makes it seem as though disagreement were surprising, but there is no reason why that should be so (the earliest thinkers in the Western tradition found conflict at least as obvious a feature of the world as concord). The interest in disagreement comes about, rather, because neither agreement nor disagreement is universal. It is not that disagreement needs explanation and agreement does not, (...) but that in different contexts disagreement requires different sorts of explanation, and so does agreement. (shrink)

Discussions of objectivity often start from considerations about disagreement. We might ask why this should be so. It makes it seem as though disagreement were surprising, but there is no reason why that should be so (the earliest thinkers in the Western tradition found conflict at least as obvious a feature of the world as concord). The interest in disagreement comes about, rather, because neither agreement nor disagreement is universal. It is not that disagreement needs explanation and agreement does not, (...) but that in different contexts disagreement requires different sorts of explanation, and so does agreement. (shrink)

In this paper I argue that there can be genuine (as opposed to merely verbal) disputes about whether a sentence form is logically true or an argument form is valid. I call such disputes ?cases of deviance?, of which I distinguish a weak and a strong form. Weak deviance holds if one disputant is right and the other wrong, but the available evidence is insufficient to determine which is which. Strong deviance holds if there is no fact of the matter. (...) In section 2 I argue that weak deviance need not be trivial and may even be interesting. Section 3 considers what it could mean to say that logic is determined by a theory, especially a theory of meaning, an idea that arises in section 2. In section 4 I discuss the dispute between classical and relevance logicians over entailment and argue that it is a case of strong deviance. Finally, in section 5 I show that the result of the previous section is not absolute but relative to the background logic used in reaching it. (shrink)

Clark has recently suggested that predictive processing advances a theory of neural function with the resources to put an ecumenical end to the “representation wars” of recent cognitive science. In this paper I defend and develop this suggestion. First, I broaden the representation wars to include three foundational challenges to representational cognitive science. Second, I articulate three features of predictive processing’s account of internal representation that distinguish it from more orthodox representationalist frameworks. Specifically, I argue that it posits a resemblance-based (...) representational architecture with organism-relative contents that functions in the service of pragmatic success, not veridical representation. Finally, I argue that internal representation so understood is either impervious to the three anti-representationalist challenges I outline or can actively embrace them. (shrink)

Inscrutability arguments threaten to reduce interpretationist metasemantic theories to absurdity. Can we find some way to block the arguments? A highly influential proposal in this regard is David Lewis’ ‘ eligibility ’ response: some theories are better than others, not because they fit the data better, but because they are framed in terms of more natural properties. The purposes of this paper are to outline the nature of the eligibility proposal, making the case that it is not ad hoc, but (...) instead flows naturally from three independently motivated elements; and to show that severe limitations afflict the proposal. In conclusion, I pick out the element of the eligibility response that is responsible for the limitations: future work in this area should therefore concentrate on amending this aspect of the overall theory. (shrink)

SummaryMany contemporary philosophers of language believe that realist metaphysics and a beha‐viouristic approach to language are incompatible, debate centring on which is to be given up. In this paper I argue that no incompatibility has been shown to exist. In the first section I attempt to give both a characterization of, and an argument for, behaviourism. Then I attempt to characterize realism more generally than is often done, evaluating the work of Dummett, Quine, Putnam and Wittgenstein, as recently interpreted, in (...) that light. Finally I attempt to sketch a behaviouristic justification of classical predicate logic and offer some programmatic remarks on behaviouristic accounts of mathematics and natural science.RésuméBien des philosophes contemporains du langage, estimant qu'une métaphysique réaliste et une approche behavioriste sont incompatibles, centrent le débat sur la question «lequel des deux doit‐il être sacrifité?» Je montre dans ce papier qu'on n'a jamais pu prouver l'existence d'une incompatibilité. Dans la première partie, je tente de caractériser et de défendre le behaviorisme. Puis j'essaie de caractériser le réalisme plus généralement que cela n'a été souvent fait et évalue dans cette perspective les oeuvres de Dummett, de Quine, de Putnam et de Wittgenstein à la lumière de leurs interprétations récentes. Finalement, je propose une justification behavioriste de la classique logique des prédicats et quelques remarques programmatiques quant à une approche behavioriste des mathématiques et des sciences naturelles.ZusammenfassungManche zeitgenössische Philosophen glauben, dass eine realistische Metaphysik nicht mit einer behavioristischen Betrachtungsweise der Sprache vereinbar sei, wobei sich der Streit um die Frage dreht, welche der beiden Haltungen aufgegeben werden müsse. Ich argurnentiere, dass die Unvereinbarkeit nicht wirklich nachgewiesen wurde. Im ersten Abschnitt versuche ich, den Beha‐viorismus genauer zu charakterisieren und zu seinen Gunsten zu argumentieren. Ich versuche dann, eine allgemeinere Charakterisierung des Realismus zu geben, als das üblich ist, indem ich die Werke von Dummett, Quine, Putnam und Wittgenstein, wie sie neuerdings unter diesen Gesichts‐punkt interpretiert werden, beurteile. lch versuche schliesslich, eine behavioristische Rechtferti‐gung der klassischen Prädikatenlogik zu skizzieren, und lege auch einige programmatische Bemerkungen zur behavioristischen Behandlung von Mathematik und Naturwissenschaft vor. (shrink)

In the last 35 years many philosophers have appealed to reference magnetism to explain how it is that we mean what we mean. The idea is that it is a constitutive principle of metasemantics that the interpretation that assigns the more natural meanings is correct, ceteris paribus. Among other things, magnetism has been used to answer the challenges of grue and quus, Quine’s indeterminacy of translation argument, and Putnam’s model-theoretic argument against realism. Critics of magnetism have usually objected to the (...) base notion of naturalness. Here I assume naturalness for the sake of argument, but argue that even still, reference magnetism should be rejected. The supposed force of reference magnetism is arbitrarily weak, and the best explanation of this is that it simply does not exist. (shrink)

Reimer ( Neuroethics 2008 ) believes that how we use language to characterize psychopathy may affect our judgments of moral responsibility. If we say a psychopath has a disorder we may reduce their responsibility for moral failure. If we say a psychopath is merely different, we may not reduce their responsibility. Vincent ( Neuroethics 2008 ) argues that if this were the case, a diagnosis of disorder would be both necessary and sufficient to reduce the responsibility of some agent for (...) moral failure. Vincent presents two examples to suggest that a disorder is neither necessary nor sufficient to exculpate an individual for moral failure: childhood and hypomania. Vincent suggests instead that our judgments of moral responsibility ought to be based on the individual’s capacity for moral agency. I will side with Vincent in this debate, but argue that the example she uses, hypomania, does not work. I will argue that a diagnosis of hypomania, part of Bipolar II Disorder, is sufficient to exculpate an individual for some moral failure. This is because there are responsibility-relevant capacities missing: the capacities for self-awareness and to control ones abilities. Without these capacities, the individual is not a responsible moral agent. Vincent will need to provide an alternative example to show that the presence of a disorder is not sufficient to exculpate an individual for moral failure. Whilst our use of language is important, that use reflects our judgments of the individual’s capacities for moral agency. Responsibilities are determined not only by capacities, but by the right kind of capacities, and this should be reflected in our moral judgments, and our use of language. (shrink)

Let us begin with a piece of intellectual history. The story begins in a period encapsulating the second world war – say the ‘40’s, give and take a bit. Around then, it began to be argued with force that an expression – e.g., an English one – while it well might mean something, does not say anything, and notably no one thing in particular. The principal behind the argument was surely J.L. Austin, though, I would claim, the same point was (...) argued in a somewhat different way by Wittgenstein. The intended point was not merely a grammatical one: we say of an expression that it means such and such, but not that it says such and such. Be that as it may, the main point was quite substantive: typically, an English expression is such that, with its meaning fixed, there are a variety of distinct things to be said in using it on some production of it or other. (shrink)