Results for 'Fred L. Rush'

958 found
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  1. Modal Ecthesis.Fred Johnson - 1993 - History and Philosophy of Logic 14 (2):171-182.
    Fred's semantics for McCall's syntactic presentation of Aristotle's assertoric and apodeictic syllogistic is altered to free it from Thom's objections that it is unAristotelian. The altered semantics rejects Baroco-XLL and Bocardo-LXL, which Thom says Aristotle should have accepted. Aristotle's proofs that use ecthesis are formalized by using singular sentences. With one exception the (acceptance) axioms for McCall's system L-X-M are derivable. Formal proofs are shown to be sound.
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  2. Knowledge as Fact-Tracking True Belief.Fred Adams, John A. Barker & Murray Clarke - 2017 - Manuscrito 40 (4):1-30.
    ABSTRACT Drawing inspiration from Fred Dretske, L. S. Carrier, John A. Barker, and Robert Nozick, we develop a tracking analysis of knowing according to which a true belief constitutes knowledge if and only if it is based on reasons that are sensitive to the fact that makes it true, that is, reasons that wouldn’t obtain if the belief weren’t true. We show that our sensitivity analysis handles numerous Gettier-type cases and lottery problems, blocks pathways leading to skepticism, and validates (...)
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  3. Dretske & McDowell on perceptual knowledge, conclusive reasons, and epistemological disjunctivism.Peter J. Graham & Nikolaj J. L. L. Pedersen - 2020 - Philosophical Issues 30 (1):148-166.
    If you want to understand McDowell's spatial metaphors when he talks about perceptual knowledge, place him side-by-side with Dretske on perceptual knowledge. Though McDowell shows no evidence of reading Dretske's writings on knowledge from the late 1960s onwards (McDowell mentions "Epistemic Operators" once in passing), McDowell gives the same four arguments as Dretske for the conclusion that knowledge requires "conclusive" reasons that rule of the possibility of mistake. Despite various differences, we think it is best to read McDowell as re-discovering (...)
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  4. Trying the Impossible: Reply to Adams.Kirk A. Ludwig - 1995 - Journal of Philosophical Research 20:563-570.
    This paper defends the autonomy thesis, which holds that one can intend to do something even though one believes it to be impossible, against attacks by Fred Adams. Adams denies the autonomy thesis on the grounds that it cannot, but must, explain what makes a particular trying, a trying for the aim it has in view. If the autonomy thesis were true, it seems that I could try to fly across the Atlantic ocean merely by typing out this abstract, (...)
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  5. Manejo na Avicultura: Postura, Iluminação e Incubação dos Ovos.Emanuel Isaque Cordeiro da Silva - manuscript
    MANEJO NA AVICULTURA: POSTURA, ILUMINAÇÃO E INCUBAÇÃO DOS OVOS -/- MANAGEMENT IN POULTRY: POSTURE, ILUMINATION AND INCUBATION OF THE EGGS -/- 1. INTRODUÇÃO A produção de ovos no Brasil está próxima de 45 bilhões de unidades por ano, mantendo um desenvolvimento constante em todos os seus aspectos: genética, instalações, patologia, alimentação, etc. Ao longo do presente trabalho, pretende-se estabelecer os conceitos que estão ligados à produção de ovos, distribuição de ovoprodutos e refletir as ideias básicas sobre os programas de iluminação (...)
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  6. 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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  7. Puberdade e Estacionalidade Reprodutiva dos Animais.Emanuel Isaque Cordeiro da Silva - manuscript
    OBJETIVO -/- O estudante de Zootecnia e de Veterinária, quando se depara com a produção animal, um dos pilares importantes é a reprodução, uma vez que é a perpetuação da espécie, seja para gerar filhas de uma vaca campeã em produção leiteira e de um touro com rusticidade e com aptidão produtiva de corte, ou mesmo para reposição de um plantel, o mesmo deve estar consciente de que esse ramo é de extrema responsabilidade, já que estará intimamente lidando com a (...)
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  8. Hormônios e Sistema Endócrino na Reprodução Animal.Emanuel Isaque Cordeiro da Silva & Emanuel Isaque Da Silva - manuscript
    HORMÔNIOS E SISTEMA ENDÓCRINO NA REPRODUÇÃO ANIMAL -/- OBJETIVO -/- As glândulas secretoras do corpo são estudadas pelo ramo da endocrinologia. O estudante de Veterinária e/ou Zootecnia que se preze, deverá entender os processos fisio-lógicos que interagem entre si para a estimulação das glândulas para a secreção de vários hormônios. -/- Os hormônios, dentro do animal, possuem inúmeras funções; sejam exercendo o papel sobre a nutrição, sobre a produção de leite e sobre a reprodução, os hormônios desempenham um primordial papel (...)
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  9. Transporte de Gametas, Fertilização e Segmentação.Emanuel Isaque Cordeiro da Silva - manuscript
    TRANSPORTE DE GAMETAS, FERTILIZAÇÃO E SEGMENTAÇÃO -/- • _____OBJETIVO -/- O entendimento do desenvolvimento embrionário nos estágios iniciais, desde a deposição dos espermatozoides na fêmea, passando pela fertilização deste no ovócito e na formação do zigoto, é de suma importância para diferenciar especialistas em reprodução e manejo reprodutivo no mercado de trabalho e, também, durante a vida acadêmica. Compreender os processos que levam à formação do zigoto na fêmea é essencial para avaliar a capacidade reprodutiva dos animais e, mediante técnicas, (...)
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  10.  91
    The Ideals Program in Algorithmic Fairness.Rush T. Stewart - forthcoming - AI and Society.
    I consider statistical criteria of algorithmic fairness from the perspective of the _ideals_ of fairness to which these criteria are committed. I distinguish and describe three theoretical roles such ideals might play. The usefulness of this program is illustrated by taking Base Rate Tracking and its ratio variant as a case study. I identify and compare the ideals of these two criteria, then consider them in each of the aforementioned three roles for ideals. This ideals program may present a way (...)
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  11. Identity and the Limits of Fair Assessment.Rush T. Stewart - 2022 - Journal of Theoretical Politics 34 (3):415-442.
    In many assessment problems—aptitude testing, hiring decisions, appraisals of the risk of recidivism, evaluation of the credibility of testimonial sources, and so on—the fair treatment of different groups of individuals is an important goal. But individuals can be legitimately grouped in many different ways. Using a framework and fairness constraints explored in research on algorithmic fairness, I show that eliminating certain forms of bias across groups for one way of classifying individuals can make it impossible to eliminate such bias across (...)
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  12.  84
    Deep Uncertainty and Incommensurability: General Cautions about Precaution.Rush T. Stewart - forthcoming - Philosophy of Science.
    The precautionary principle is invoked in a number of important personal and policy decision contexts. Peterson shows that certain ways of making the principle precise are inconsistent with other criteria of decision-making. Some object that the results do not apply to cases of deep uncertainty or value incommensurability which are alleged to be in the principle’s wheelhouse. First, I show that Peterson’s impossibility results can be generalized considerably to cover cases of both deep uncertainty and incommensurability. Second, I contrast an (...)
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  13. An Impossibility Theorem for Base Rate Tracking and Equalized Odds.Rush Stewart, Benjamin Eva, Shanna Slank & Reuben Stern - forthcoming - Analysis.
    There is a theorem that shows that it is impossible for an algorithm to jointly satisfy the statistical fairness criteria of Calibration and Equalised Odds non-trivially. But what about the recently advocated alternative to Calibration, Base Rate Tracking? Here, we show that Base Rate Tracking is strictly weaker than Calibration, and then take up the question of whether it is possible to jointly satisfy Base Rate Tracking and Equalised Odds in non-trivial scenarios. We show that it is not, thereby establishing (...)
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  14. Conglomerability, disintegrability and the comparative principle.Rush T. Stewart & Michael Nielsen - 2021 - Analysis 81 (3):479-488.
    Our aim here is to present a result that connects some approaches to justifying countable additivity. This result allows us to better understand the force of a recent argument for countable additivity due to Easwaran. We have two main points. First, Easwaran’s argument in favour of countable additivity should have little persuasive force on those permissive probabilists who have already made their peace with violations of conglomerability. As our result shows, Easwaran’s main premiss – the comparative principle – is strictly (...)
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  15. Misrepresentation.Fred Dretske - 1986 - In Radu J. Bogdan (ed.), Belief: Form, Content, and Function. New York: Oxford University Press. pp. 17--36.
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  16. On the Possibility of Testimonial Justice.Rush T. Stewart & Michael Nielsen - 2020 - Australasian Journal of Philosophy 98 (4):732-746.
    Recent impossibility theorems for fair risk assessment extend to the domain of epistemic justice. We translate the relevant model, demonstrating that the problems of fair risk assessment and just credibility assessment are structurally the same. We motivate the fairness criteria involved in the theorems as also being appropriate in the setting of testimonial justice. Any account of testimonial justice that implies the fairness/justice criteria must be abandoned, on pain of triviality.
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  17. Another Approach to Consensus and Maximally Informed Opinions with Increasing Evidence.Rush T. Stewart & Michael Nielsen - 2018 - Philosophy of Science (2):236-254.
    Merging of opinions results underwrite Bayesian rejoinders to complaints about the subjective nature of personal probability. Such results establish that sufficiently similar priors achieve consensus in the long run when fed the same increasing stream of evidence. Initial subjectivity, the line goes, is of mere transient significance, giving way to intersubjective agreement eventually. Here, we establish a merging result for sets of probability measures that are updated by Jeffrey conditioning. This generalizes a number of different merging results in the literature. (...)
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  18. Fitting Diminishment of Anger: A Permissivist Account.Renee Rushing - 2023 - Philosophy 98 (4):433-450.
    There has been recent discussion of a puzzle posed by emotions that are backward looking. Though our emotions commonly diminish over time, how can they diminish fittingly if they are an accurate appraisal of an event that is situated in the past? Agnes Callard (2017) has offered a solution by providing an account of anger in which anger is both backwards looking and resolvable, yet her account depends upon contrition to explain anger’s fitting diminishment. My aim is to explain how (...)
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  19. A Hyper-Relation Characterization of Weak Pseudo-Rationalizability.Rush T. Stewart - 2020 - Journal of Mathematical Psychology 99:1-5.
    I provide a characterization of weakly pseudo-rationalizable choice functions---that is, choice functions rationalizable by a set of acyclic relations---in terms of hyper-relations satisfying certain properties. For those hyper-relations Nehring calls extended preference relations, the central characterizing condition is weaker than (hyper-relation) transitivity but stronger than (hyper-relation) acyclicity. Furthermore, the relevant type of hyper-relation can be represented as the intersection of a certain class of its extensions. These results generalize known, analogous results for path independent choice functions.
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  20. Uncertainty, equality, fraternity.Rush T. Stewart - 2021 - Synthese 199 (3-4):9603-9619.
    Epistemic states of uncertainty play important roles in ethical and political theorizing. Theories that appeal to a “veil of ignorance,” for example, analyze fairness or impartiality in terms of certain states of ignorance. It is important, then, to scrutinize proposed conceptions of ignorance and explore promising alternatives in such contexts. Here, I study Lerner’s probabilistic egalitarian theorem in the setting of imprecise probabilities. Lerner’s theorem assumes that a social planner tasked with distributing income to individuals in a population is “completely (...)
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  21. Categorical consequence for paraconsistent logic.Fred Johnson & Peter Woodruff - 2002 - In Walter Alexandr Carnielli (ed.), Paraconsistency: The Logical Way to the Inconsistent. CRC Press. pp. 141-150.
    Consequence rleations over sets of "judgments" are defined by using "overdetermined" as well as "underdetermined" valuations. Some of these relations are shown to be categorical. And generalized soundness and completeness results are given for both multiple and single conclusion consequence relations.
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  22.  41
    The environmental counter-history of liberalism: A formidable challenge?Fred Matthews - 2024 - History of the Human Sciences (N/A):1-24.
    In the view of the Marxist philosopher Domenico Losurdo, liberalism is ‘the most dogged enemy of freedom’. This surprising statement runs contrary to the received wisdom among liberal thinkers. Losurdo and other ‘counter-historians’ of liberalism are very effective at exposing the historical atrocities that liberal states have committed, and which have been supported by liberal philosophers – including slavery, racism, genocide, and the subjugation of the working class. But what implications, if any, does this have for contemporary theory? I will (...)
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  23. Weak Pseudo-Rationalizability.Rush T. Stewart - 2020 - Mathematical Social Sciences 104:23-28.
    This paper generalizes rationalizability of a choice function by a single acyclic binary relation to rationalizability by a set of such relations. Rather than selecting those options in a menu that are maximal with respect to a single binary relation, a weakly pseudo-rationalizable choice function selects those options that are maximal with respect to at least one binary relation in a given set. I characterize the class of weakly pseudo-rationalizable choice functions in terms of simple functional properties. This result also (...)
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  24. Logic or Reason?Penelope Rush - 2012 - Logic and Logical Philosophy 21 (2):127-163.
    This paper explores the question of what logic is not. It argues against the wide spread assumptions that logic is: a model of reason; a model of correct reason; the laws of thought, or indeed is related to reason at all such that the essential nature of the two are crucially or essentially co-illustrative. I note that due to such assumptions, our current understanding of the nature of logic itself is thoroughly entangled with the nature of reason. I show that (...)
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  25. The philosophy of mathematics and the independent 'other'.Penelope Rush - unknown
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  26. Deductively-inductively.Fred Johnson - 1980 - Informal Logic 3 (1):4-5.
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  27. Two Questions about Pleasure.Fred Feldman - 1988 - In D. F. Austin (ed.), Philosophical Analysis. Kluwer Academic Publishers. pp. 59-81.
    In this paper, I present my solutions to two closely related questions about pleasure. One of these questions is fairly well known. The second question seems to me to be at least as interesting as the first, but it apparently hasn't interested quite so many philosophers.
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  28. New Possibilities for Fair Algorithms.Michael Nielsen & Rush Stewart - 2024 - Philosophy and Technology 37 (4):1-17.
    We introduce a fairness criterion that we call Spanning. Spanning i) is implied by Calibration, ii) retains interesting properties of Calibration that some other ways of relaxing that criterion do not, and iii) unlike Calibration and other prominent ways of weakening it, is consistent with Equalized Odds outside of trivial cases.
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  29. Peirce, Pedigree, Probability.Rush T. Stewart & Tom F. Sterkenburg - 2022 - Transactions of the Charles S. Peirce Society 58 (2):138-166.
    An aspect of Peirce’s thought that may still be underappreciated is his resistance to what Levi calls _pedigree epistemology_, to the idea that a central focus in epistemology should be the justification of current beliefs. Somewhat more widely appreciated is his rejection of the subjective view of probability. We argue that Peirce’s criticisms of subjectivism, to the extent they grant such a conception of probability is viable at all, revert back to pedigree epistemology. A thoroughgoing rejection of pedigree in the (...)
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  30. ‘Troubling’ Chastisement: A Comparative Historical Analysis of Child Punishment in Ghana and Ireland.Michael Rush & Suleman Lazarus - 2018 - Sociological Research Online 1 (23):177-196.
    This article reviews an epochal change in international thinking about physical punishment of children from being a reasonable method of chastisement to one that is harmful to children and troubling to families. In addition, the article suggests shifts in thinking about physical punishment were originally pioneered as part and parcel of the dismantling of national laws granting fathers’ specific rights to admonish children under conventions of patria potestas. A comparative historical framework of analysis involving two case studies of Ireland and (...)
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  31. Conspiracy Theories, Scepticism, and Non-Liberal Politics.Fred Matthews - 2023 - Social Epistemology 37 (5):626-636.
    There has been much interest in conspiracy theories (CTs) amongst philosophers in recent years. The aim of this paper will be to apply some of the philosophical research to issues in political theory. I will first provide an overview of some of the philosophical discussions about CTs. While acknowledging that particularism is currently the dominant position in the literature, I will contend that the ‘undue scepticism problem’, a modified version of an argument put forward by Brian Keeley, is an important (...)
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  32. Distention for Sets of Probabilities.Rush T. Stewart & Michael Nielsen - 2022 - Philosophy of Science 89 (3):604-620.
    Bayesians often appeal to “merging of opinions” to rebut charges of excessive subjectivity. But what happens in the short run is often of greater interest than what happens in the limit. Seidenfeld and coauthors use this observation as motivation for investigating the counterintuitive short run phenomenon of dilation, since, they allege, dilation is “the opposite” of asymptotic merging of opinions. The measure of uncertainty relevant for dilation, however, is not the one relevant for merging of opinions. We explicitly investigate the (...)
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  33. Aristotle’s Arguments for his Political Anthropology and the Natural Existence of the Polis.Manuel Dr Knoll - 2017 - In Refik Guremen & Annick Julin (eds.), Aristote, L’animal politique. Publications de la Sorbonne. pp. 31–57.
    This paper examines Aristotle’s two famous claims that man is by nature a political animal, and that he is the only animal who possesses speech and reason (logos). Aristotle’s thesis that man is by nature a political animal is inextricably linked with his thesis that the polis exists by nature. This paper examines the argument that Aristotle develops in Pol. I. 2 to support these two theses. It argues a) that the definition of man as an animal who possesses logos (...)
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  34. A Natural Deduction Relevance Logic.Fred Johnson - 1977 - The Bulletin of the Section of Logic 6 (4):164-168.
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  35. Path Independence and a Persistent Paradox of Population Ethics.Rush T. Stewart - forthcoming - Journal of Philosophy.
    In the face of an impossibility result, some assumption must be relaxed. The Mere Addition Paradox is an impossibility result in population ethics. Here, I explore substantially weakening the decision-theoretic assumptions involved. The central finding is that the Mere Addition Paradox persists even in the general framework of choice functions when we assume Path Independence as a minimal decision-theoretic constraint. Choice functions can be thought of either as generalizing the standard axiological assumption of a binary “betterness” relation, or as providing (...)
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  36. Trees for a 3-valued logic.Fred Johnson - 1984 - Analysis 44 (1):43-6.
    Fred shows how problems with Slater's restriction of the classical propositional logic can be solved.
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  37. (1 other version)What we see : the texture of conscious experience.Fred Dretske - 2010 - In Bence Nanay (ed.), Perceiving the world. New York: Oxford University Press.
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  38. Persistent Disagreement and Polarization in a Bayesian Setting.Michael Nielsen & Rush T. Stewart - 2021 - British Journal for the Philosophy of Science 72 (1):51-78.
    For two ideally rational agents, does learning a finite amount of shared evidence necessitate agreement? No. But does it at least guard against belief polarization, the case in which their opinions get further apart? No. OK, but are rational agents guaranteed to avoid polarization if they have access to an infinite, increasing stream of shared evidence? No.
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  39. Three-membered domains for Aristotle's syllogistic.Fred Johnson - 1991 - Studia Logica 50 (2):181 - 187.
    The paper shows that for any invalid polysyllogism there is a procedure for constructing a model with a domain with exactly three members and an interpretation that assigns non-empty, non-universal subsets of the domain to terms such that the model invalidates the polysyllogism.
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  40. Objectivities.Penelope Rush - 2012 - Studia Philosophica Estonica 5 (1):1-16.
    I argue that one in particular of CrispinWright’s attempts to capture our common or intuitive concepts of objectivity, warrant, and other associated notions, relies on an ambiguity between a given constructivist reading of the concepts and at least one other, arguablymore ‘ordinary’, version of the notions he tries to accommodate. I do this by focusing on one case in point, and concluding with a brief argument showing how this case generalises. I demonstrate why this ambiguity is unacceptable and also that (...)
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  41. Why the mind is still in the head.Fred Adams & Kenneth Aizawa - 2008 - In Murat Aydede & P. Robbins (eds.), The Cambridge Handbook of Situated Cognition. Cambridge: Cambridge University Press. pp. 78--95.
    Philosophical interest in situated cognition has been focused most intensely on the claim that human cognitive processes extend from the brain into the tools humans use. As we see it, this radical hypothesis is sustained by two kinds of mistakes, the confusion of coupling relations with constitutive relations and an inattention to the mark of the cognitive. Here we wish to draw attention to these mistakes and show just how pervasive they are. That is, for all that the radical philosophers (...)
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  42. Les opérateurs épistémiques.Fred Dretske - 2014 - Repha 8:87-108. Translated by Pascal Engel.
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  43. Support for Geometric Pooling.Jean Baccelli & Rush T. Stewart - 2023 - Review of Symbolic Logic 16 (1):298-337.
    Supra-Bayesianism is the Bayesian response to learning the opinions of others. Probability pooling constitutes an alternative response. One natural question is whether there are cases where probability pooling gives the supra-Bayesian result. This has been called the problem of Bayes-compatibility for pooling functions. It is known that in a common prior setting, under standard assumptions, linear pooling cannot be nontrivially Bayes-compatible. We show by contrast that geometric pooling can be nontrivially Bayes-compatible. Indeed, we show that, under certain assumptions, geometric and (...)
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  44. Natural Language and Everyday Reasoning.Fred Sommers - manuscript
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  45. A three-valued interpretation for a relevance logic.Fred Johnson - 1976 - The Relevance Logic Newsletter 1 (3):123-128.
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  46. Counterexamples to Some Characterizations of Dilation.Michael Nielsen & Rush T. Stewart - 2021 - Erkenntnis 86 (5):1107-1118.
    We provide counterexamples to some purported characterizations of dilation due to Pedersen and Wheeler :1305–1342, 2014, ISIPTA ’15: Proceedings of the 9th international symposium on imprecise probability: theories and applications, 2015).
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  47. Analogical Arguings and Explainings.Fred Johnson - 1989 - Informal Logic 11 (3).
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  48. Syllogisms with fractional quantifiers.Fred Johnson - 1994 - Journal of Philosophical Logic 23 (4):401 - 422.
    Aristotle's syllogistic is extended to include denumerably many quantifiers such as 'more than 2/3' and 'exactly 2/3.' Syntactic and semantic decision procedures determine the validity, or invalidity, of syllogisms with any finite number of premises. One of the syntactic procedures uses a natural deduction account of deducibility, which is sound and complete. The semantics for the system is non-classical since sentences may be assigned a value other than true or false. Results about symmetric systems are given. And reasons are given (...)
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  49. Embodied cognition.Fred Adams - 2010 - Phenomenology and the Cognitive Sciences 9 (4):619-628.
    Embodied cognition is sweeping the planet. On a non-embodied approach, the sensory system informs the cognitive system and the motor system does the cognitive system’s bidding. There are causal relations between the systems but the sensory and motor systems are not constitutive of cognition. For embodied views, the relation to the sensori-motor system to cognition is constitutive, not just causal. This paper examines some recent empirical evidence used to support the view that cognition is embodied and raises questions about some (...)
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  50. Aristotle's modal syllogisms.Fred Johnson - 2004 - In Dov M. Gabbay, John Woods & Akihiro Kanamori (eds.), Handbook of the history of logic. Boston: Elsevier. pp. 1--247.
    McCall's system for contingent syllogisms is modified. A semantics for the resulting system is provided.
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