26 found
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  1. Typical: A Theory of Typicality and Typicality Explanation.Isaac Wilhelm - 2022 - British Journal for the Philosophy of Science 73 (2):561-581.
    Typicality is routinely invoked in everyday contexts: bobcats are typically short-tailed; people are typically less than seven feet tall. Typicality is invoked in scientific contexts as well: typical gases expand; typical quantum systems exhibit probabilistic behaviour. And typicality facts like these support many explanations, both quotidian and scientific. But what is it for something to be typical? And how do typicality facts explain? In this paper, I propose a general theory of typicality. I analyse the notion of a typical property. (...)
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  2. Grounding and propositional identity.Isaac Wilhelm - 2021 - Analysis 81 (1):80-81.
    I show that standard grounding conditions contradict standard conditions for the identities of propositions.
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  3. Centering the Everett Interpretation.Isaac Wilhelm - 2022 - Philosophical Quarterly 72 (4):1019-1039.
    I propose an account of probability in the Everett interpretation of quantum mechanics. According to the account, probabilities are objective chances of centered propositions. As I show, the account solves a number of problems concerning the role of probability in the Everett interpretation. It also challenges an implicit assumption, concerning the aim and scope of fundamental physical theories, that is made throughout the philosophy of physics literature.
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  4. Pluralities, counterparts, and groups.Isaac Wilhelm - 2022 - Philosophical Studies 179 (7):2133-2153.
    I formulate a theory of groups based on pluralities and counterparts: roughly put, a group is a plurality of entities at a time. This theory comes with counterpart-theoretic semantics for modal and temporal sentences about groups. So this theory of groups is akin to the stage theory of material objects: both take the items they analyze to exist at a single time, and both use counterparts to satisfy certain conditions relating to the modal properties, temporal properties, and coincidence properties of (...)
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  5. New data on the representation of women in philosophy journals: 2004–2015.Isaac Wilhelm, Sherri Lynn Conklin & Nicole Hassoun - 2018 - Philosophical Studies 175 (6):1441-1464.
    This paper presents new data on the representation of women who publish in 25 top philosophy journals as ranked by the Philosophical Gourmet Report for the years 2004, 2014, and 2015. It also provides a new analysis of Schwitzgebel’s 1955–2015 journal data. The paper makes four points while providing an overview of the current state of women authors in philosophy. In all years and for all journals, the percentage of female authors was extremely low, in the range of 14–16%. The (...)
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  6. Centering the Principal Principle.Isaac Wilhelm - 2020 - Philosophical Studies 178 (6):1897-1915.
    I show that centered propositions—also called de se propositions, and usually modeled as sets of centered worlds—pose a serious problem for various versions of Lewis's Principal Principle. The problem, put roughly, is that in scenarios like Elga's `Sleeping Beauty' case, those principles imply that rational agents ought to have obviously irrational credences. To solve the problem, I propose a centered version of the Principal Principle. My version allows centered propositions to be objectively chancy.
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  7. An argument for entity grounding.Isaac Wilhelm - 2020 - Analysis 80 (3):500-507.
    In this paper, I give an argument for the view that non-fact entities – such as physical objects, abstract objects, events and so on – can ground other entities. Roughly put, the argument is as follows: those who accept this view can provide a more plausible account of the grounds of identity facts than those who deny this view.
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  8. Explanatory priority monism.Isaac Wilhelm - 2020 - Philosophical Studies 178 (4):1339-1359.
    Explanations are backed by many different relations: causation, grounding, and arguably others too. But why are these different relations capable of backing explanations? In virtue of what are they explanatory? In this paper, I propose and defend a monistic account of explanation-backing relations. On my account, there is a single relation which backs all cases of explanation, and which explains why those other relations are explanation-backing.
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  9. Tractability and laws.Isaac Wilhelm - 2022 - Synthese 200 (4):1-17.
    According to the Best System Account of lawhood, laws of nature are theorems of the deductive systems that best balance simplicity and strength. In this paper, I advocate a different account of lawhood which is related, in spirit, to the BSA: according to my account, laws are theorems of deductive systems that best balance simplicity, strength, and also calculational tractability. I discuss two problems that the BSA faces, and I show that my account solves them. I also use my account (...)
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  10.  99
    The Stage Theory of Groups.Isaac Wilhelm - 2020 - Tandf: Australasian Journal of Philosophy 98 (4):661-674.
    I propose a `stage theory’ of groups: a group is a fusion of group-stages, where a group-stage is a plurality of individuals at a world and a time. The stage theory consists of existence conditions, identity conditions, and parthood conditions for groups.
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  11. The Counteridentical Account of Explanatory Identities.Isaac Wilhelm - 2021 - Journal of Philosophy 118 (2):57-78.
    Many explanations rely on identity facts. In this paper, I propose an account of how identity facts explain: roughly, the fact that A is identical to B explains another fact whenever that other fact depends, counterfactually, on A being identical to B. As I show, this account has many virtues. It avoids several problems facing accounts of explanatory identities, and when precisified using structural equations, it can be used to defend interventionist accounts of causation against an objection.
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  12. Intrinsicality and Entanglement.Isaac Wilhelm - 2022 - Mind 131 (521):35-58.
    I explore the relationship between a prominent analysis of intrinsic properties, due to Langton and Lewis, and the phenomenon of quantum entanglement. As I argue, the analysis faces a puzzle. The full analysis classifies certain properties of entangled particles as intrinsic. But when combined with an extremely plausible assumption about duplication, the main part of the analysis classifies those properties as non-intrinsic instead. I conclude that much of Lewis’s metaphysics is in trouble: Lewis based many of his metaphysical views—his thesis (...)
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  13. Comparing Mathematical Explanations.Isaac Wilhelm - 2023 - British Journal for the Philosophy of Science 74 (1):269-290.
    Philosophers have developed several detailed accounts of what makes some mathematical proofs explanatory. Significantly less attention has been paid, however, to what makes some proofs more explanatory than other proofs. That is problematic, since the reasons for thinking that some proofs explain are also reasons for thinking that some proofs are more explanatory than others. So in this paper, I develop an account of comparative explanation in mathematics. I propose a theory of the `at least as explanatory as' relation among (...)
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  14.  76
    Comparing the structures of mathematical objects.Isaac Wilhelm - 2021 - Synthese 199 (3-4):6357-6369.
    A popular method for comparing the structures of mathematical objects, which I call the ‘subset approach’, says that X has more structure than Y just in case X’s automorphisms form a proper subset of Y’s automorphisms. This approach is attractive, in part, because it seems to yield the right results in some comparisons of spacetime structure. But as I show, it yields the wrong results in a number of other cases. The problem is that the subset approach compares structure using (...)
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  15. The Ontology of Mechanisms.Isaac Wilhelm - 2019 - Journal of Philosophy 116 (11):615-636.
    I propose a metaphysical theory of mechanisms based on the notion of causation. In particular, I use causation to formulate existence, identity, and parthood conditions for mechanisms. These conditions provide a sound metaphysical basis for accounts of mechanistic explanation, mechanistic organization, and for more restrictive theories of mechanisms.
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  16.  42
    Celestial chaos: The new logics of theory-testing in orbital dynamics.Isaac Wilhelm - 2019 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 65:97-102.
    I explore how the nature, scope, and limits of the knowledge obtained in orbital dynamics has changed in recent years. Innovations in the design of spacecraft trajectories, as well as in astronomy, have led to new logics of theory-testing—that is, new research methodologies—in orbital dynamics. These methodologies—which combine resonance overlap theories, numerical experiments, and the implementation of space missions—were developed in response to the discovery of chaotic dynamical systems in our solar system. In the past few decades, they have replaced (...)
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  17.  60
    A statistical analysis of luck.Isaac Wilhelm - 2018 - Synthese (2):1-19.
    A modal analysis of luck, due to Duncan Pritchard, has become quite popular in recent years. There are many reasons to like Pritchard’s analysis, but at least two compelling problems have been identified. So I propose an alternative analysis of luck based on the laws of statistical mechanics. The statistical analysis avoids the two problems facing Pritchard’s analysis, and it has many other attractive features.
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  18. The Value of Naturalness.Isaac Wilhelm - forthcoming - Erkenntnis:1-20.
    It is often assumed that theorizing in terms of natural properties is more objectively valuable than theorizing in terms of non-natural properties. But this assumption faces an explanatory challenge: explain the greater objective value of theorizing in terms of natural properties. In this paper, I answer that challenge by proposing and exploring three different accounts of the objective value of naturalness. Two appeal to constitutive natures: it is part of the constitutive nature of explanation, or of objective value, that theorizing (...)
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  19.  73
    Interventionist Explanation and the Problem of Single Variable Boundary Constraints.Isaac Wilhelm - 2019 - Noûs 54 (4):945-955.
    According to Interventionism, explanations cite invariant relations which hold among multiple variables. Interventionism incorrectly implies, however, that many common scientific explanations—which cite single‐variable boundary constraints—are not actually explanatory. So I propose a different account of explanation, similar in spirit to Interventionism, which gets those cases of scientific explanation right.
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  20. The Typical Principle.Isaac Wilhelm - forthcoming - British Journal for the Philosophy of Science.
    If a proposition is typically true, given your evidence, then you should believe that proposition; or so I argue here. In particular, in this paper, I propose and defend a principle of rationality---call it the `Typical Principle'---which links rational belief to facts about what is typical. As I show, this principle avoids several problems that other, seemingly similar principles face. And as I show, in many cases, this principle implies the verdicts of the Principal Principle: so ultimately, the Typical Principle (...)
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  21. Mystical Rationality.Isaac Wilhelm - 2022 - In Helen De Cruz & Johan De Smedt (eds.), Avatar: The Last Airbender and Philosophy: Wisdom From Aang to Zuko. Wiley-Blackwell. pp. 88–97.
    In this chapter, we explore some ways in which reasoning based on mysticism can be rational, focusing on the episode “The Fortuneteller,” in which Aang, Katara, and Sokka save a village from a volcanic eruption. Throughout this episode, Sokka advocates a purely empirical approach to reasoning. The villagers, however, believe that no source of knowledge is more reliable than Aunt Wu, the local fortuneteller. At several points in the episode, Sokka claims that the villagers’ reliance on Aunt Wu is irrational. (...)
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  22. Worlds are Pluralities.Isaac Wilhelm - 2024 - Australasian Journal of Philosophy 102 (1):221-231.
    I propose an account of possible worlds. According to the account, possible worlds are pluralities of sentences in an extremely large language. This account avoids a problem, relating to the total number of possible worlds, that other accounts face. And it has several additional benefits.
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  23.  30
    Constitution, evidence, and an argument for realism: responses to Bird’s Knowing Science.Isaac Wilhelm - 2023 - Asian Journal of Philosophy 2 (2):1-10.
    What sorts of aims, or goals, are constitutive of science? How does scientific evidence relate to the knowledge that science produces? And can the No Miracles Argument for scientific realism be defended against concerns about the explanatory capacity of truth? In Knowing Science, Bird engages with questions like these at length. In this paper, I engage with these questions too. I raise some concerns for the view that aiming at knowledge is constitutive of science. I provide three counterexamples to an (...)
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  24.  14
    Bohmian Collapse.Isaac Wilhelm - 2024 - In Angelo Bassi, Sheldon Goldstein, Roderich Tumulka & Nino Zanghi (eds.), Physics and the Nature of Reality: Essays in Memory of Detlef Dürr. Springer. pp. 63-70.
    I present and explain the Bohmian account of collapse in quantum mechanics.
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  25.  75
    Erratum to: New data on the representation of women in philosophy journals: 2004–2015.Isaac Wilhelm, Sherri Lynn Conklin & Nicole Hassoun - 2018 - Philosophical Studies 175 (6):1465-1466.
  26.  63
    The Representation of Belief.Isaac Wilhelm - 2018 - Journal of Philosophical Logic 47 (4):715-732.
    I derive a sufficient condition for a belief set to be representable by a probability function: if at least one comparative confidence ordering of a certain type satisfies Scott’s axiom, then the belief set used to induce that ordering is representable. This provides support for Kenny Easwaran’s project of analyzing doxastic states in terms of belief sets rather than credences.
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