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44Revisability, a priori truth, and evolutionAustralasian Journal of Philosophy 59 (1). 1981.The positivists suggest that some truths may be immune from empirical refutation and yet lacking in rational justification. Quine holds that every proposition is in principle empirically refutable so there are no a priori truths. I’ll provide a working characterization of the idea of “rational revisability” and argue it’s impossible for us to take a chain of rational revision and end up revising everything which we now believe. Quine's position on revisability is also in tension with certain the…Read more
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82Explanation and causation (review)British Journal for the Philosophy of Science 38 (2): 243-257. 1987.
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197Reintroducing group selection to the human behavioral sciencesBehavioral and Brain Sciences 17 (4): 585-608. 1994.In both biology and the human sciences, social groups are sometimes treated as adaptive units whose organization cannot be reduced to individual interactions. This group-level view is opposed by a more individualistic one that treats social organization as a byproduct of self-interest. According to biologists, group-level adaptations can evolve only by a process of natural selection at the group level. Most biologists rejected group selection as an important evolutionary force during the 1960s a…Read more
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371Instrumentalism RevisitedCritica 31 (91): 3-39. 1999.The logical empiricists said some good things about epistemology and scientific method. However, they associated those epistemological ideas with some rather less good ideas about philosophy of language. There is something epistemologically suspect about statements that cannot be tested. But to say that those statements are meaningless is to go too far. And there is something impossible about trying to figure out which of two empirically equivalent theories is true. But to say that those theorie…Read more
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419A critical review of philosophical work on the units of selection problemPhilosophy of Science 61 (4): 534-555. 1994.The evolutionary problem of the units of selection has elicited a good deal of conceptual work from philosophers. We review this work to determine where the issues now stand
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460The design argumentIn William Mann (ed.), The Blackwell Guide to the Philosophy of Religion, Blackwell. 2004.
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21Why Not Solipsism?Philosophy and Phenomenological Research 55 (3): 547-566. 1995.Solipsism poses a familiar epistemological problem. Each of us has beliefs about a world that allegedly exists outside our own minds. The problem is to justify these nonsolipsistic convictions. One standard approach is to argue that the existence of things outside our own sensations may reasonably be inferred from regularities that obtain within our sensations. Certain experiences, which I will call tiger sounds and tiger visual images, exhibit a striking correlation. We can explain the existenc…Read more
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58Sex Ratio Theory, Ancient and Modern: An Eighteenth-Century Debate about Intelligent Design and the Development of Models in Evolutionary BiologyIn Jessica Riskin (ed.), Genesis Redux: Essays in the History and Philosophy of Artificial Life, University of Chicago Press. pp. 131--62. 2007.The design argument for the existence of God took a probabilistic turn in the 17 th and 18 th centuries. Earlier versions, such as Thomas Aquinas' 5 th way, usually embraced the premise that goal-directed systems (things that "act for an end" or have a function) must have been created by an intelligent designer. This idea – which we might express by the slogan "no design without a designer" – survived into the 17 th and 18 th centuries, 1 and it is with us still in the writings of many creationi…Read more
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343Intelligent design and probability reasoningInternational Journal for Philosophy of Religion 52 (2): 65-80. 2002.This paper defends two theses about probabilistic reasoning. First, although modus ponens has a probabilistic analog, modus tollens does not – the fact that a hypothesis says that an observation is very improbable does not entail that the hypothesis is improbable. Second, the evidence relation is essentially comparative; with respect to hypotheses that confer probabilities on observation statements but do not entail them, an observation O may favor one hypothesis H1 over another hypothesis H2 , …Read more
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268Betting against Pascal's WagerNoûs 28 (3): 382-395. 1994.Only one traditional objection to Pascal's wager is telling: Pascal assumes a particular theology, but without justification. We produce two new objections that go deeper. We show that even if Pascal's theology is assumed to be probable, Pascal's argument does not go through. In addition, we describe a wager that Pascal never considered, which leads away from Pascal's conclusion. We then consider the impact of these considerations on other prudential arguments concerning what one should believe,…Read more
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73Parsimony, likelihood, and the principle of the common causePhilosophy of Science 54 (3): 465-469. 1987.The likelihood justification of cladistic parsimony suggested in Sober (1984) is here shown to be incomplete. Even so, cladistic parsimony remains a counter-example to the principle of the common cause formulated by Reichenbach (1956) and Salmon (1975, 1979, 1984)
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119Core Questions in Philosophy: A Text with ReadingsPrentice-Hall. 2001.Presented in an engaging lecture-style format, this anthology leads readers through a series of discussions on the basic issues and ideas in philosophy, with lectures supported by related readings from historically important sources. The discussions emphasize the logic of philosophical arguments—and in particular, how they relate to the content of scientific theories such as evolution. This five-part book, made up of “lectures” and readings, covers an introduction to philosophy; the philosophy o…Read more
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62What Is Evolutionary Altruism?Canadian Journal of Philosophy 18 (sup1): 75-99. 1988.In this paper I want to clarify what biologists are talking about when they talk about the evolution of altruism. I’ll begin by saying something about the common sense concept. This familiar idea I’ll call ‘vernacular altruism.’ One point of doing this is to make it devastatingly obvious that the common sense concept is very different from the concept as it’s used in evolutionary theory. After that preliminary, I’ll describe some features of the evolutionary concept. Then I’ll conclude by briefl…Read more
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48Reply to Rosenberg on genic selectionismPhilosophy of Science 50 (4): 648-650. 1983.Rosenberg (1983), in his comments on our article (Sober and Lewontin 1982) concerning the units of selection controversy, has matters precisely backwards. We suggest Rosenberg alludes to a quite different view of the units of selection controversy, one that he never shows to have mattered to any biologists engaged in the dispute. We also reject Rosenberg's remark that the hypothesis of genic selection is currently predictively vacuous.
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1Force and disposition in evolutionary theoryIn Christopher Hookway (ed.), Minds, Machines, and Evolution: Philosophical Studies, Cambridge University Press. 1984.
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13Book reviews : Sociobiology and the preemption of social science. By Alexander Rosenberg. Baltimore: Johns Hopkins university press, 1980; oxford: Basil Blackwell, 1981. Pp. XI + 227. $20.00 (review)Philosophy of the Social Sciences 15 (1): 89-93. 1985.
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333Parsimony and models of animal mindsIn Robert W. Lurz (ed.), The Philosophy of Animal Minds, Cambridge University Press. pp. 237. 2009.The chapter discusses the principle of conservatism and traces how the general principle is related to the specific one. This tracing suggests that the principle of conservatism needs to be refined. Connecting the principle in cognitive science to more general questions about scientific inference also allows us to revisit the question of realism versus instrumentalism. The framework deployed in model selection theory is very general; it is not specific to the subject matter of science. The chapt…Read more
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81Contrastive empiricismIn C. Wade Savage (ed.), Scientific Theories, University of Minnesota Press. pp. 392--410. 1990.Realism and empiricism have always been contradictory tendencies in the philosophy of science. The view I will sketch is a synthesis, which I call Contrastive Empiricism. Realism and empiricism are incompatible, so a synthesis that merely conjoined them would be a contradiction. Rather, I propose to isolate important elements in each and show that they combine harmoniously. I will leave behind what I regard as confusions and excesses. The result, I hope, will be neither contradiction nor mishmas…Read more
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15Review of E xplanation and Causation (review)British Journal for the Philosophy of Science 38 (2). 1987.
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43Explanatory presuppositionAustralasian Journal of Philosophy 64 (2). 1986.This Article does not have an abstract
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44Old problems for a new theory: Mayo on Giere's theory of causationPhilosophical Studies 52 (3). 1987.
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94Modus DarwinBiology and Philosophy 14 (2): 253-278. 1999.Modus Darwin is a principle of inference that licenses the conclusion that two species have a common ancestor, based on the observation that they are similar. The present paper investigates the principle's probabilistic foundations.
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316Black box inference: When should intervening variables be postulated?British Journal for the Philosophy of Science 49 (3): 469-498. 1998.An empirical procedure is suggested for testing a model that postulates variables that intervene between observed causes and abserved effects against a model that includes no such postulate. The procedure is applied to two experiments in psychology. One involves a conditioning regimen that leads to response generalization; the other concerns the question of whether chimpanzees have a theory of mind.
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26The Principle of Conservatism in Cognitive EthologyRoyal Institute of Philosophy Supplement 49 225-238. 2001.Philosophy of mind is, and for a long while has been, 99% metaphysics and 1% epistemology. Attention is lavished on the question of the nature of mind, but questions concerning how we know about minds are discussed much less thoroughly. University courses in philosophy of mind routinely devote a lot of time to dualism, logical behaviourism, the mind/brain identity theory, and functionalism. But what gets said about the kinds of evidence that help one determine what mental states, if any, an indi…Read more
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364Marxism and methodological individualismIn Derek Matravers & Jonathan Pike (eds.), Debates in Contemporary Political Philosophy: An Anthology, Routledge, in Association With the Open University. 2002.
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1Kindness and Cruelty in EvolutionIn Richard J. Davidson & Anne Harrington (eds.), Visions of Compassion: Western Scientists and Tibetan Buddhists Examine Human Nature, Oxford University Press. pp. 46-65. 2002.Human nature is intriguing in such that it can express both negative and positive emotions, as in kindness and cruelty. The question is whether both are a natural part of our nature as human beings, or is one produced to serve as the alternate of the other. Another question that is brought to the table in this chapter is how does one determine what is natural and what is not, being its true definition? The chapter attempts to answer these questions based on evolution theory, whether events earli…Read more
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632Absence of evidence and evidence of absence: evidential transitivity in connection with fossils, fishing, fine-tuning, and firing squadsPhilosophical Studies 143 (1): 63-90. 2009.“Absence of evidence isn’t evidence of absence” is a slogan that is popular among scientists and nonscientists alike. This article assesses its truth by using a probabilistic tool, the Law of Likelihood. Qualitative questions (“Is E evidence about H ?”) and quantitative questions (“How much evidence does E provide about H ?”) are both considered. The article discusses the example of fossil intermediates. If finding a fossil that is phenotypically intermediate between two extant species provides …Read more
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96Trait fitness is not a propensity, but fitness variation isStudies in History and Philosophy of Science Part C: Studies in History and Philosophy of Biological and Biomedical Sciences 44 (3): 336-341. 2013.The propensity interpretation of fitness draws on the propensity interpretation of probability, but advocates of the former have not attended sufficiently to problems with the latter. The causal power of C to bring about E is not well-represented by the conditional probability Pr. Since the viability fitness of trait T is the conditional probability Pr, the viability fitness of the trait does not represent the degree to which having the trait causally promotes surviving. The same point holds for…Read more
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