Results for 'Peter H. Van Ness'

981 found
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  1. Gametogênese Animal: Espermatogênese e Ovogênese.Emanuel Isaque Cordeiro da Silva - manuscript
    GAMETOGÊNESE -/- Emanuel Isaque Cordeiro da Silva Instituto Agronômico de Pernambuco Departamento de Zootecnia – UFRPE Embrapa Semiárido -/- • _____OBJETIVO -/- Os estudantes bem informados, estão a buscando conhecimento a todo momento. O estudante de Veterinária e Zootecnia, sabe que a Reprodução é uma área de primordial importância para sua carreira. Logo, o conhecimento da mesma torna-se indispensável. No primeiro trabalho da série fisiologia reprodutiva dos animais domésticos, foi abordado de forma clara, didática e objetiva os mecanismos de diferenciação (...)
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  2. Defining dysfunction: Natural selection, design, and drawing a line.Peter H. Schwartz - 2007 - Philosophy of Science 74 (3):364-385.
    Accounts of the concepts of function and dysfunction have not adequately explained what factors determine the line between low‐normal function and dysfunction. I call the challenge of doing so the line‐drawing problem. Previous approaches emphasize facts involving the action of natural selection (Wakefield 1992a, 1999a, 1999b) or the statistical distribution of levels of functioning in the current population (Boorse 1977, 1997). I point out limitations of these two approaches and present a solution to the line‐drawing problem that builds on the (...)
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  3. Reframing the Disease Debate and Defending the Biostatistical Theory.Peter H. Schwartz - 2014 - Journal of Medicine and Philosophy 39 (6):572-589.
    Similarly to other accounts of disease, Christopher Boorse’s Biostatistical Theory (BST) is generally presented and considered as conceptual analysis, that is, as making claims about the meaning of currently used concepts. But conceptual analysis has been convincingly critiqued as relying on problematic assumptions about the existence, meaning, and use of concepts. Because of these problems, accounts of disease and health should be evaluated not as claims about current meaning, I argue, but instead as proposals about how to define and use (...)
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  4. Decision and Discovery in Defining “Disease”.Peter H. Schwartz - 2007 - In Harold Kincaid & Jennifer McKitrick (eds.), Establishing medical reality: Methodological and metaphysical issues in philosophy of medicine. Springer Publishing Company. pp. 47-63.
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  5. Proper function and recent selection.Peter H. Schwartz - 1999 - Philosophy of Science 66 (3):210-222.
    "Modern History" versions of the etiological theory claim that in order for a trait X to have the proper function F, individuals with X must have been recently favored by natural selection for doing F (Godfrey-Smith 1994; Griffiths 1992, 1993). For many traits with prototypical proper functions, however, such recent selection may not have occurred: traits may have been maintained due to lack of variation or due to selection for other effects. I examine this flaw in Modern History accounts and (...)
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  6. Small Tumors as Risk Factors not Disease.Peter H. Schwartz - 2014 - Philosophy of Science 81 (5):986-998.
    I argue that ductal carcinoma in situ (DCIS), the tumor most commonly diagnosed by breast mammography, cannot be confidently classified as cancer, that is, as pathological. This is because there may not be dysfunction present in DCIS—as I argue based on its high prevalence and the small amount of risk it conveys—and thus DCIS may not count as a disease by dysfunction-requiring approaches, such as Boorse’s biostatistical theory and Wakefield’s harmful dysfunction account. Patients should decide about treatment for DCIS based (...)
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  7. Questioning the Quantitative Imperative: Decision Aids, Prevention, and the Ethics of Disclosure.Peter H. Schwartz - 2011 - Hastings Center Report 41 (2):30-39.
    Patients should not always receive hard data about the risks and benefits of a medical intervention. That information should always be available to patients who expressly ask for it, but it should be part of standard disclosure only sometimes, and only for some patients. And even then, we need to think about how to offer it.
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  8. The Ethics of Information: Absolute Risk Reduction and Patient Understanding of Screening.Peter H. Schwartz & Eric M. Meslin - 2008 - Journal of General Internal Medicine 23 (6):867-870.
    Some experts have argued that patients should routinely be told the specific magnitude and absolute probability of potential risks and benefits of screening tests. This position is motivated by the idea that framing risk information in ways that are less precise violates the ethical principle of respect for autonomy and its application in informed consent or shared decisionmaking. In this Perspective, we consider a number of problems with this view that have not been adequately addressed. The most important challenges stem (...)
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  9. Autonomy and Consent in Biobanks.Peter H. Schwartz - 2010 - The Physiologist 53 (1):1, 3-7.
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  10. Disclosure and rationality: Comparative risk information and decision-making about prevention.Peter H. Schwartz - 2009 - Theoretical Medicine and Bioethics 30 (3):199-213.
    With the growing focus on prevention in medicine, studies of how to describe risk have become increasing important. Recently, some researchers have argued against giving patients “comparative risk information,” such as data about whether their baseline risk of developing a particular disease is above or below average. The concern is that giving patients this information will interfere with their consideration of more relevant data, such as the specific chance of getting the disease (the “personal risk”), the risk reduction the treatment (...)
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  11. Worldmaking: Property rights in aesthetic creations.Peter H. Karlen - 1986 - Journal of Aesthetics and Art Criticism 45 (2):183-192.
    This paper delves into the nature of intellectual property rights in aesthetic creations, particularly works of visual art and literary works. The discussion focuses on copyrights interests, but there are also implications for trademark and patent rights. The argument assumes a fairly conventional definition of "property," namely, the set of legal relations between the owner and all other persons relating to the use, enjoyment and disposition of a tangible thing. The problem with such a definition as applied to aesthetic creations (...)
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  12. The Value of Information and the Ethics of Personal-Genomic Screening.Peter H. Schwartz - 2009 - American Journal of Bioethics 9 (4):26-27.
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  13. Comparative Risk: Good or Bad Heuristic?Peter H. Schwartz - 2016 - American Journal of Bioethics 16 (5):20-22.
    Some experts have argued that patients facing certain types of choices should not be told whether their risk is above or below average, because this information may trigger a bias (Fagerlin et al. 2007). But careful consideration shows that the comparative risk heuristic can usefully guide decisions and improve their quality or rationality. Building on an earlier paper of mine (Schwartz 2009), I will argue here that doctors and decision aids should provide comparative risk information to patients, even while further (...)
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  14. Patient Understanding of Benefits, Risks, and Alternatives to Screening Colonoscopy.Peter H. Schwartz, Elizabeth Edenberg, Patrick R. Barrett, Susan M. Perkins, Eric M. Meslin & Thomas F. Imperiale - 2013 - Family Medicine 45 (2):83-89.
    While several tests and strategies are recommended for colorectal cancer (CRC) screening, studies suggest that primary care providers often recommend colonoscopy without providing information about its risks or alternatives. These observations raise concerns about the quality of informed consent for screening colonoscopy.
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  15. Discounting a Surgical Risk: Data, Understanding, and Gist.Peter H. Schwartz - 2012 - American Medical Association Journal of Ethics 14 (7):532-538.
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  16. Child Safety, Absolute Risk, and the Prevention Paradox.Peter H. Schwartz - 2012 - Hastings Center Report 42 (4):20-23.
    Imagine you fly home from vacation with your one-and-a-half-year-old son who is traveling for free as a “lap child.” In the airport parking lot, you put him into his forward-facing car seat, where he sits much more contentedly than he did in the rear-facing one that was mandatory until his first birthday. After he falls asleep on the way home, you transfer him to his crib without waking him, lowering the side rail so you can lift him in more easily. (...)
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  17. Placebos, Full Disclosure, and Trust: The Risks and Benefits of Disclosing Risks and Benefits.Peter H. Schwartz - 2015 - American Journal of Bioethics 15 (10):13-14.
    Consider the following patient: a 40-year-old man who has had back pain that radiates down his left leg, on and off for 2 months. He performs his normal activities and does not have any “red flag”...
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  18. The Aesthetics of Trademarks.Peter H. Karlen - 2008 - Contemporary Aesthetics 6.
    Trademarks are not just property; they are aesthetic creations that pervade everyday experience. As pervasive aesthetic creations having literary, pictorial, graphic, sculptural, and musical content, trademarks deserve aesthetic analysis. So this paper discusses the origins, strength, appeal, and effectiveness of trademarks within the context of aesthetic considerations such as meaning, intention, authorship, and mode of creation. Also reviewed are morphemic and phonemic analysis of trademarks, semantic positioning, the dichotomy between creation and discovery of trademarks, and the differences between trademarks and (...)
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  19. Humor and Enlightenment, Part II: The Theory Applied.Peter H. Karlen - 2016 - Contemporary Aesthetics 14.
    Part I of this article advanced a new theory of humor, the Enlightenment Theory, while contrasting it with other main theories, including the Incongruity, Repression/Relief/Release, and Superiority Theories. The Enlightenment Theory does not contradict these other theories but rather subsumes them. As argued, each of the other theories cannot account for all the aspects of humor explained by the Enlightenment Theory. Part II shows how the Enlightenment Theory meets challenging issues in humor theory where other theories falter, including failed humor, (...)
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  20.  89
    Humor and Enlightenment, Part I: The Theory.Peter H. Karlen - 2016 - Contemporary Aesthetics 14 (Article 14).
    Part I of this article advances a new theory of humor, the Enlightenment Theory, while contrasting it with other main theories, including the Incongruity, Repression/Relief/Release, and Superiority Theories. The Enlightenment Theory does not contradict these other theories but rather subsumes them. As argued, each of the other theories cannot account for all the aspects of humor explained by the Enlightenment Theory. The discussion is illustrated with examples of humor and explores the acts and circumstances of humor, its literary and artistic (...)
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  21. Silence about Screening.Peter H. Schwartz - 2007 - American Journal of Bioethics 7 (7):46-48.
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  22. How Bioethics Principles Can Aid Design of Electronic Health Records to Accommodate Patient Granular Control.Eric M. Meslin & Peter H. Schwartz - 2014 - Journal of General Internal Medicine 30 (1):3-6.
    Ethics should guide the design of electronic health records (EHR), and recognized principles of bioethics can play an important role. This approach was adopted recently by a team of informaticists designing and testing a system where patients exert granular control over who views their personal health information. While this method of building ethics in from the start of the design process has significant benefits, questions remain about how useful the application of bioethics principles can be in this process, especially when (...)
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  23. Hanlon’s Razor.Nathan Ballantyne & Peter H. Ditto - 2021 - Midwest Studies in Philosophy 45:309-331.
    “Never attribute to malice that which is adequately explained by stupidity”—so says Hanlon’s Razor. This principle is designed to curb the human tendency toward explaining other people’s behavior by moralizing it. We ask whether Hanlon’s Razor is good or bad advice. After offering a nuanced interpretation of the principle, we critically evaluate two strategies purporting to show it is good advice. Our discussion highlights important, unsettled questions about an idea that has the potential to infuse greater humility and civility into (...)
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  24. To Be or Not to Be – A Research Subject.Eric M. Meslin & Peter H. Schwartz - 2010 - In Thomasine Kushner (ed.), Surviving Health Care: A Manual for Patients and Their Families. Cambridge University Press. pp. 146-162.
    Most people do not know there are different kinds of medical studies; some are conducted on people who already have a disease or medical condition, and others are performed on healthy volunteers who want to help science find answers. No matter what sort of research you are invited to participate in, or whether you are a patient when you are asked, it’s entirely up to you whether or not to do it. This decision is important and may have many implications (...)
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  25. Older Adults and Forgoing Cancer Screening.Alexia M. Torke, Peter H. Schwartz, Laura R. Holtz, Kianna Montz & Greg A. Sachs - 2013 - Journal of the American Medical Association Internal Medicine 173 (7):526-531.
    Although there is a growing recognition that older adults and those with extensive comorbid conditions undergo cancer screening too frequently, there is little information about patients’ perceptions regarding cessation of cancer screening. Information on older adults’ views of screening cessation would be helpful both for clinicians and for those designing interventions to reduce overscreening.
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  26. Jakob von Uexküll and the anticipation of sociobiology.Boria Sax & Peter H. Klopfer - 2001 - Semiotica 2001 (134).
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  27. Giving patients granular control of personal health information: Using an ethics ‘Points to Consider’ to inform informatics system designers.Eric M. Meslin, Sheri A. Alpert, Aaron E. Carroll, Jere D. Odell, William M. Tierney & Peter H. Schwartz - 2013 - International Journal of Medical Informatics 82:1136-1143.
    Objective: There are benefits and risks of giving patients more granular control of their personal health information in electronic health record (EHR) systems. When designing EHR systems and policies, informaticists and system developers must balance these benefits and risks. Ethical considerations should be an explicit part of this balancing. Our objective was to develop a structured ethics framework to accomplish this. -/- Methods: We reviewed existing literature on the ethical and policy issues, developed an ethics framework called a “Points to (...)
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  28. Representing knowledge.Peter van Elswyk - 2021 - The Philosophical Review 130 (1):97-143.
    A speaker's use of a declarative sentence in a context has two effects: it expresses a proposition and represents the speaker as knowing that proposition. This essay is about how to explain the second effect. The standard explanation is act-based. A speaker is represented as knowing because their use of the declarative in a context tokens the act-type of assertion and assertions represent knowledge in what's asserted. I propose a semantic explanation on which declaratives covertly host a "know"-parenthetical. A speaker (...)
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  29. Assertion remains strong.Peter van Elswyk & Matthew A. Benton - 2023 - Philosophical Studies 180 (1):27-50.
    Assertion is widely regarded as an act associated with an epistemic position. To assert is to represent oneself as occupying this position and/or to be required to occupy this position. Within this approach, the most common view is that assertion is strong: the associated position is knowledge or certainty. But recent challenges to this common view present new data that are argued to be better explained by assertion being weak. Old data widely taken to support assertion being strong has also (...)
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  30. Return of Positive Test Results to Participants in Sexually Transmitted Infection Prevalence Studies: Research Ethics and Responsibilities.Joshua Grubbs, Joseph Millum, Cornelis A. Rietmeijer & Peter H. Kilmarx - 2021 - Sexually Transmitted Diseases.
    Background: In prevalence studies of sexually transmitted infections (STIs), investigators often provide syndromic management for symptomatic participants, but may not provide specific treatment for asymptomatic individuals with positive laboratory test results due to the delays between sample collection and availability of results as well as logistical constraints in recontacting study participants. Methods: To characterize the extent of this issue, 80 prevalence studies from the World Health Organization’s Report on global sexually transmitted infection surveillance, 2018, were reviewed. Studies were classified as (...)
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  31. El lugar de la controversia en la argumentación.María G. Navarro - 2015 - In Fernando Leal Carretero (ed.), Seamos razonables: Estudios en honor a Frans H. van Eemeren. Siglo XXI.
    La oposición a una estricta separación entre las dimensiones dialéctica y retórica de la actividad argumentativa es una de las aportaciones más destacadas y peculiares de la denominada escuela holandesa sobre argumentación. Frans H. van Eemeren y Peter Houtlosser reaccionaron contra una separación estricta entre dialéctica y retórica en varios trabajos, pero uno de los más inspiradores es sin duda su artículo “William the Silent’s argumentative discourse” (1998) presentado en la ciudad de Ámsterdam con ocasión de la cuarta conferencia (...)
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  32. The linguistic basis for propositions.Peter van Elswyk - 2022 - In Chris Tillman & Adam Murray (eds.), The Routledge Handbook of Propositions. Routledge. pp. 57-78.
    Propositions are traditionally regarded as performing vital roles in theories of natural language, logic, and cognition. This chapter offers an opinionated survey of recent literature to assess whether they are still needed to perform three linguistic roles: be the meaning of a declarative sentence in a context, be what is designated by certain linguistic expressions, and be the content of illocutionary acts. After considering many of the relevant choice-points, I suggest that there remains a linguistic basis for propositions, but not (...)
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  33. Hedged testimony.Peter van Elswyk - 2022 - Noûs 57 (2):341-369.
    Speakers offer testimony. They also hedge. This essay offers an account of how hedging makes a difference to testimony. Two components of testimony are considered: how testimony warrants a hearer's attitude, and how testimony changes a speaker's responsibilities. Starting with a norm-based approach to testimony where hearer's beliefs are prima facie warranted because of social norms and speakers acquire responsibility from these same norms, I argue that hedging alters both components simultaneously. It changes which attitudes a hearer is prima facie (...)
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  34. Deceiving without answering.Peter van Elswyk - 2019 - Philosophical Studies 177 (5):1157-1173.
    Lying is standardly distinguished from misleading according to how a disbelieved proposition is conveyed. To lie, a speaker uses a sentence to say a proposition she does not believe. A speaker merely misleads by using a sentence to somehow convey but not say a disbelieved proposition. Front-and-center to the lying/misleading distinction is a conception of what-is-said by a sentence in a context. Stokke (2016, 2018) has recently argued that the standard account of lying/misleading is explanatorily inadequate unless paired with a (...)
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  35. Indeterminacy and Vagueness: Logic and Metaphysics.Peter Van Inwagen - 2009 - European Journal for Philosophy of Religion 1 (2):1 - 19.
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  36. Dissolving the paradox of ineffability.Peter van Elswyk - forthcoming - Philosophers' Imprint.
    Sentences like ⌜δ is indescribable⌝ appear to state that the speaker is unable to do what the speaker just did. This is known as the "paradox of ineffability." An explanation for how such sentences can be true is widely thought to be a pre-requisite for showing the coherence of ineffability. This paper offers a dissolution of the paradox. I argue that the relevant sentences are always false. However, I show that the falsity of such sentences does not entail that ineffability (...)
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  37. Veridicality and the acquisition of think.Peter Van Elswyk - forthcoming - Linguistics and Philosophy.
    Across numerous languages, the attitude verb "think" is learned later than other attitude verbs like "want." But why? This essays advances a new hypothesis: children initially treat think as a veridical yet non-factive verb akin to a class of verbs I call "confirmatives." This hypothesis is argued to better explain existing data that troubles other hypotheses, and to find support from the ease with which children represent knowledge but not belief.
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  38. What the metasemantics of know is not.Peter van Elswyk - 2020 - Linguistics and Philosophy 43 (1):69-82.
    Epistemic contextualism in the style of Lewis (1996) maintains that ascriptions of knowledge to a subject vary in truth with the alternatives that can be eliminated by the subject’s evidence in a context. Schaffer (2004, 2005, 2007, 2008, 2015), Schaffer and Knobe (2012), and Schaffer and Szabo ́ (2014) hold that the question under discussion or QUD always determines these alternatives in a context. This paper shows that the QUD does not perform such a role for "know" and uses this (...)
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  39. Hedging and the Norm of Belief.Peter van Elswyk & Christopher Willard-Kyle - forthcoming - Australasian Journal of Philosophy.
    We argue that knowledge is not the norm of belief given that ‘I believe’ is used to hedge. We explore the consequences of this argument for the normative relationship between belief and assertion.
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  40. Hedging in Discourse.Peter van Elswyk - 2024 - Synthese 204 (3):1-31.
    Epistemic terms of various syntactic categories can uniformly be used to do the same thing—to hedge. This essay clarifies hedging as a phenomenon and explains how hedging happens by advancing the positional theory. The guiding idea is that, in uttering declaratives, speakers signal what their epistemic position is towards the content put into play by the declarative. The default signal is that the speaker knows. But when an epistemic term hedges, the term overrides the default. The non-default signal sent is (...)
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  41. Asking expresses a desire to know.Peter van Elswyk - 2025 - Philosophical Quarterly 75 (1):254-267.
    A speaker’s use of a sentence does more than contribute a content to a conversation. It also expresses the speaker’s attitude. This essay is about which attitude or attitudes are expressed by using an interrogative sentence to ask a question. With reference to eight lines of data about how questions are circulated in conversation, it is argued that a desire to know the question’s answer(s) is expressed.
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  42. Reviving the performative hypothesis?Peter van Elswyk - 2021 - Thought: A Journal of Philosophy 10 (4):240-248.
    A traditional problem with the performative hypothesis is that it cannot assign proper truth-conditions to a declarative sentence. This paper shows that the problem is solved by adopting a multidimensional semantics on which sentences have more than just truth-conditions. This is good news for those who want to at least partially revive the hypothesis. The solution also brings into focus a lesson about what issues to consider when drawing the semantics/pragmatics boundary.
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  43. Testimony and grammatical evidentials.Peter Van Elswyk - 2019 - In Miranda Fricker, Peter Graham, David Henderson & Nikolaj Jang Pedersen (eds.), The Routledge Handbook of Social Epistemology. New York, USA: Routledge. pp. 135-144.
    Unlike other sources of evidence like perception and memory, testimony is intimately related to natural language. That intimacy cannot be overlooked. In this chapter, I show how cross-linguistic considerations are relevant to the epistemology of testimony. I make my case with declaratives containing grammaticalized evidentials. My discussion has a negative and a positive part. For the negative part, it is argued that some definitions of testimony are mistaken because they do not apply to testimony offered by a declarative containing an (...)
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  44. Metalinguistic apophaticism.Peter van Elswyk - forthcoming - Oxford Studies in Philosophy of Religion.
    A conviction had by many Christians over many centuries is that natural language is inadequate for describing God. This is the doctrine of divine ineffability. Apophaticism understands divine ineffability as it being justified or proper to negate statements that describe God. This paper develops and defends a version of apophaticism in which the negation involved is metalinguistic. The interest of this metalinguistic apophaticism is two-fold. First, it provides a philosophical model of historical apophaticisms that shows their rational coherence. Second, metalinguistic (...)
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  45. That-clauses and propositional anaphors.Peter van Elswyk - 2020 - Philosophical Studies 177 (10):2861-2875.
    This paper argues that "that"-clauses do not reference propositions because they are not intersubstitutible with other expressions that do reference propositions. In particular, "that"-clauses are shown to not be intersubstitutible with propositional anaphors like "so." The substitution failures are further argued to support a semantics on which "that"-clauses are predicates.
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  46. Expressing belief with evidentials: A case study with Cuzco Quechua on the dispensability of illocutionary explanation.Peter van Elswyk - 2023 - Journal of Pragmatics 203:52-67.
    Evidentials indicate a source of evidence for a content, and sometimes do more. Depending on the language, they also express the speaker's belief in that content or its possibility. This paper is about how to explain the expression of belief. It argues that semantic explanations are better than illocutionary explanations in two ways. First, a general argument is provided that a semantic explanation is preferable. Second, a case study is given to the evidentials of Cuzco Quechua to argue that a (...)
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  47. Hedging and the ignorance norm on inquiry.Yasha Sapir & Peter van Elswyk - 2021 - Synthese 199 (3-4):5837-5859.
    What sort of epistemic positions are compatible with inquiries driven by interrogative attitudes like wonder and puzzlement? The ignorance norm provides a partial answer: interrogative attitudes directed at a particular question are never compatible with knowledge of the question’s answer. But some are tempted to think that interrogative attitudes are incompatible with weaker positions like belief as well. This paper defends that the ignorance norm is exhaustive. All epistemic positions weaker than knowledge directed at the answer to a question are (...)
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  48. Constructing a Naturalistic Theory of Intentionality.J. H. van Hateren - 2021 - Philosophia 49 (1):473-493.
    A naturalistic theory of intentionality is proposed that differs from previous evolutionary and tracking theories. Full-blown intentionality is constructed through a series of evolvable refinements. A first, minimal version of intentionality originates from a conjectured internal process that estimates an organism’s own fitness and that continually modifies the organism. This process produces the directedness of intentionality. The internal estimator can be parsed into intentional components that point to components of the process that produces fitness. It is argued that such intentional (...)
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  49. Hedged Assertion.Matthew A. Benton & Peter Van Elswyk - 2018 - In Sanford Goldberg (ed.), The Oxford Handbook of Assertion. Oxford University Press. pp. 245-263.
    Surprisingly little has been written about hedged assertion. Linguists often focus on semantic or syntactic theorizing about, for example, grammatical evidentials or epistemic modals, but pay far less attention to what hedging does at the level of action. By contrast, philosophers have focused extensively on normative issues regarding what epistemic position is required for proper assertion, yet they have almost exclusively considered unqualified declaratives. This essay considers the linguistic and normative issues side-by-side. We aim to bring some order and clarity (...)
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  50. Machine Medical Ethics.Simon Peter van Rysewyk & Matthijs Pontier (eds.) - 2014 - Springer.
    In medical settings, machines are in close proximity with human beings: with patients who are in vulnerable states of health, who have disabilities of various kinds, with the very young or very old, and with medical professionals. Machines in these contexts are undertaking important medical tasks that require emotional sensitivity, knowledge of medical codes, human dignity, and privacy. -/- As machine technology advances, ethical concerns become more urgent: should medical machines be programmed to follow a code of medical ethics? What (...)
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