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  1. Connecting Applied and Theoretical Bayesian Epistemology: Data Relevance, Pragmatics, and the Legal Case of Sally Clark.Matthew J. Barker - 2016 - Journal of Applied Philosophy 33 (3).
    In this article applied and theoretical epistemologies benefit each other in a study of the British legal case of R. vs. Clark. Clark's first infant died at 11 weeks of age, in December 1996. About a year later, Clark had a second child. After that child died at eight weeks of age, Clark was tried for murdering both infants. Statisticians and philosophers have disputed how to apply Bayesian analyses to this case, and thereby arrived at different judgments about it. By (...)
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  2. A Doomsday Argument Primer.Nick Bostrom - unknown
    Rarely does philosophy produce empirical predictions. The Doomsday argument is an important exception. From seemingly trivial premises it seeks to show that the risk that humankind will go extinct soon has been systematically underestimated. Nearly everybody's first reaction is that there must be something wrong with such an argument. Yet despite being subjected to intense scrutiny by a growing number of philosophers, no simple flaw in the argument has been identified.
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  3. The Place of Probability in Science.Ellery Eells & James H. Fetzer (eds.) - 2010 - Springer.
    To clarify and illuminate the place of probability in science Ellery Eells and James H. Fetzer have brought together some of the most distinguished philosophers ...
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  4. A Puzzle About Inferential Strength and Probability.Alexander Hughes - manuscript
    Inductive logic would be the logic of arguments that are not valid, but nevertheless justify belief in something like the way in which valid arguments would. Maybe we could describe it as the logic of “almost valid” arguments. There is a sort of transitivity to valid arguments. Valid arguments can be chained together to form arguments and such arguments are themselves valid. One wants to distinguish the “almost valid” arguments by noting that chains of “almost valid” arguments are weaker than (...)
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  5. Transforming the Self Amidst the Challenges of Chance: William James on "Our Undisciplinables".Colin Koopman - 2016 - Diacritics 44 (4):40-65.
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  6. Heaven Can't Wait: A Critique of Current Planetary Defence Policy.Joel Marks - 2015 - In Jai Galliott (ed.), Commercial Space Exploration: Ethics, Policy and Governance. pp. 71-90.
    It is now generally recognized that Earth is at risk of a devastating collision with an asteroid or a comet. Impressive strides in our understanding of this threat have been made in recent decades, and various efforts to deal with it have been undertaken. However, the pace of government action hasn’t kept up with the advance of our knowledge. Despite the daunting dimensions of planetary defense, one intrepid NGO has stepped up to the plate: The B612 Foundation has embarked on (...)
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  7. Probability as a Measure of Information Added.Peter Milne - 2012 - Journal of Logic, Language and Information 21 (2):163-188.
    Some propositions add more information to bodies of propositions than do others. We start with intuitive considerations on qualitative comparisons of information added . Central to these are considerations bearing on conjunctions and on negations. We find that we can discern two distinct, incompatible, notions of information added. From the comparative notions we pass to quantitative measurement of information added. In this we borrow heavily from the literature on quantitative representations of qualitative, comparative conditional probability. We look at two ways (...)
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  8. Dangerous “Spin”: The Probability Myth of Evidence-Based Prescribing - a Merleau-Pontyian Approach.Ron Morstyn - 2011 - Australasian Psychiatry 19 (4):295-300.
    Objective: The aim of this study was to examine logical positivist statistical probability statements used to support and justify “evidence-based” prescribing rules in psychiatry when viewed from the major philosophical theories of probability, and to propose “phenomenological probability” based on Maurice Merleau-Ponty's philosophy of “phenomenological positivism” as a better clinical and ethical basis for psychiatric prescribing. -/- Conclusions: The logical positivist statistical probability statements which are currently used to support “evidence-based” prescribing rules in psychiatry have little clinical or ethical justification (...)
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  9. Parsimony and the Argument From Queerness.Justin Morton & Eric Sampson - 2014 - Res Philosophica 91 (4):609-627.
    In his recent book Error Theory: History, Critique, Defence, Jonas Olson attempts to revive the argument from queerness originally made famous by J.L. Mackie. In this paper, we do three things. First, we eliminate four untenable formulations of the argument. Second, we argue that the most plausible formulation is one that depends crucially upon considerations of parsimony. Finally, we evaluate this formulation of the argument. We conclude that it is unproblematic for proponents of moral non-naturalism—the target of the argument from (...)
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  10. Report From a Socratic Dialogue on the Concept of Risk.Erik Persson - 2005 - In Kristina Blennow (ed.), Uncertainty and Active Risk management in Agriculture and Forestry. Alnarp, Sweden: SLU. pp. 35-39.
    The term ’risk’ is used in a wide range of situations, but there is no real consensus of what it means. ‘Risk ‘is often stipulatively defined as “a probability for the occurrence of a negative event” or something similar. This formulation is however not very informative, and it fails to capture many of our intuitions about the concept or risk. One way of trying to find a common definition of a term within a group is to use a Socratic Dialogue (...)
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  11. Reasonable Doubt and the Presumption of Innocence: The Case of the Bayesian Juror.Piers Rawling - 1999 - Topoi 18 (2):117-126.
    There is a substantial literature on the Bayesian approach, and the application of Bayes'' theorem, to legal matters. However, I have found no discussion that explores fully the issue of how a Bayesian juror might be led from an initial "presumption of innocence" to the judgment (required for conviction in criminal cases) that the suspect is "guilty beyond a reasonable doubt". I shall argue here that a Bayesian juror, if she acts in accord with what the law prescribes, will virtually (...)
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  12. Probability and Evolution. Why the Probability Argument of Creationists is Wrong.Josef Schurz - 2007 - Journal for General Philosophy of Science / Zeitschrift für Allgemeine Wissenschaftstheorie 38 (1):163-165.
    Evolution is a time process. It proceeds in steps of definite length. The probability of each step is relatively high, so self organization of complex systems will be possible in finite time. Prerequisite for such a process is a selection rule, which certainly exists in evolution. Therefore, it would be wrong to calculate the probability of the formation of a complex system solely on the basis of the number of its components and as a momentary event.
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  13. Sudden Infant Death or Murder? A Royal Confusion About Probabilities.Neven Sesardic - 2007 - British Journal for the Philosophy of Science 58 (2):299-329.
    In this article I criticize the recommendations of some prominent statisticians about how to estimate and compare probabilities of the repeated sudden infant death and repeated murder. The issue has drawn considerable public attention in connection with several recent court cases in the UK. I try to show that when the three components of the Bayesian inference are carefully analyzed in this context, the advice of the statisticians turns out to be problematic in each of the steps.
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  14. Does Luck Exclude Knowledge or Certainty?Asbjørn Steglich-Petersen - forthcoming - Synthese.
    A popular account of luck, with a firm basis in common sense, holds that a necessary condition for an event to be lucky, is that it was suitably improbable. It has recently been proposed that this improbability condition is best understood in epistemic terms. Two different versions of this proposal have been advanced. According to my own proposal (Steglich-Petersen 2010), whether an event is lucky for some agent depends on whether the agent was in a position to know that the (...)
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  15. A Merton Model of Credit Risk with Jumps.Hoang Thi Phuong Thao & Quan-Hoang Vuong - 2015 - Journal of Statistics Applications and Probability Letters 2 (2):97-103.
    In this note, we consider a Merton model for default risk, where the firm’s value is driven by a Brownian motion and a compound Poisson process.
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  16. Central Limit Theorem for Functional of Jump Markov Processes.Nguyen Van Huu, Quan-Hoang Vuong & Minh-Ngoc Tran - 2005 - Vietnam Journal of Mathematics 33 (4):443-461.
    Some conditions are given to ensure that for a jump homogeneous Markov process $\{X(t),t\ge 0\}$ the law of the integral functional of the process $T^{-1/2} \int^T_0\varphi(X(t))dt$ converges to the normal law $N(0,\sigma^2)$ as $T\to \infty$, where $\varphi$ is a mapping from the state space $E$ into $\bbfR$.
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  17. The Prior Probabilities of Phylogenetic Trees.Joel D. Velasco - 2008 - Biology and Philosophy 23 (4):455-473.
    Bayesian methods have become among the most popular methods in phylogenetics, but theoretical opposition to this methodology remains. After providing an introduction to Bayesian theory in this context, I attempt to tackle the problem mentioned most often in the literature: the “problem of the priors”—how to assign prior probabilities to tree hypotheses. I first argue that a recent objection—that an appropriate assignment of priors is impossible—is based on a misunderstanding of what ignorance and bias are. I then consider different methods (...)
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  18. Vagueness and Inductive Molding.J. R. Welch - 2007 - Synthese 154 (1):147-172.
    Vagueness is epistemic, according to some. Vagueness is ontological, according to others. This article deploys what I take to be a compromise position. Predicates are coined in specific contexts for specific purposes, but these limited practices do not automatically fix the extensions of predicates over the domain of all objects. The linguistic community using the predicate has rarely considered, much less decided, all questions that might arise about the predicate’s extension. To this extent, the ontological view is correct. But a (...)
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  19. Conclusions as Hedged Hypotheses.John R. Welch - 2016 - In Argumentation, Objectivity, and Bias. Windsor, CA: Windsor University Press.
    How can the objectivity of an argument’s conclusion be determined? To propose an answer, this paper builds on Betz’s view of premises as hedged hypotheses. If an argument’s premises are hedged, its conclusion must be hedged as well. But how? The paper first introduces a two-dimensional critical grid. The grid’s vertical dimension is inductive, reflecting the argument’s downward flow from premises to conclusion. It specifies the inductive probability of the conclusion given the premises. The grid’s horizontal dimension is epistemic, focusing (...)
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  20. Moral Strata: Another Approach to Reflective Equilibrium.John R. Welch - 2014 - Springer.
    This volume recreates the received notion of reflective equilibrium. It reconfigures reflective equilibrium as both a cognitive ideal and a method for approximating this ideal. The ideal of reflective equilibrium is restructured using the concept of discursive strata, which are formed by sentences and differentiated by function. Sentences that perform the same kind of linguistic function constitute a stratum. The book shows how moral discourse can be analyzed into phenomenal, instrumental, and teleological strata, and the ideal of reflective equilibrium reworked (...)
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  21. Plausibilistic Coherence.John R. Welch - 2014 - Synthese 191 (10):2239-2253.
    Why should coherence be an epistemic desideratum? One response is that coherence is truth-conducive: mutually coherent propositions are more likely to be true, ceteris paribus, than mutually incoherent ones. But some sets of propositions are more coherent, while others are less so. How could coherence be measured? Probabilistic measures of coherence exist; some are identical to probabilistic measures of confirmation, while others are extensions of such measures. Probabilistic measures of coherence are fine when applicable, but many situations are so information-poor (...)
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  22. Two Types of Moral Dilemma.John R. Welch - 2001 - In Matti Häyry & Tuija Takala (eds.), The Future of Value Inquiry. Rodopi.
    This chapter identifies two types of moral dilemma. The first type is described as ethical clash: whether affirmative action is just or unjust, for example, or whether withholding information from an inquisitive relative is honest or dishonest. In these cases the dilemma takes the form of conflict between an ethical predicate and its complement. The second type of moral dilemma is ethical overlap. Instead of a clash between a single predicate and its complement, here two or more predicates apply. Dilemmas (...)
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  23. Singular Analogy and Quantitative Inductive Logics.John R. Welch - 1999 - Theoria: Revista de Teoría, Historia y Fundamentos de la Ciencia 14 (2):207-247.
    The paper explores the handling of singular analogy in quantitative inductive logics. It concentrates on two analogical patterns coextensive with the traditional argument from analogy: perfect and imperfect analogy. Each is examined within Carnap’s λ-continuum, Carnap’s and Stegmüller’s λ-η continuum, Carnap’s Basic System, Hintikka’s α-λ continuum, and Hintikka’s and Niiniluoto’s K-dimensional system. Itis argued that these logics handle perfect analogies with ease, and that imperfect analogies, while unmanageable in some logics, are quite manageable in others. The paper concludes with a (...)
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  24. Analogy in Ethics: Pragmatics and Semantics.John R. Welch - 1997 - In Paul Weingartner, Gerhard Schurz & Georg Dorn (eds.), The Role of Pragmatics in Contemporary Philosophy. Die Österreichische Ludwig Wittgenstein Gesellschaft. pp. Vol. II, 1016-1021.
    This chapter explores arguments from analogy containing ethical predicates like 'just', 'courageous', and 'honest'. The approach is Wittgensteinian in a double sense. The role of paradigm cases in ethical discourse is emphasized, first of all, and the inductive logics to be employed spring from Wittgenstein's remarks on probability (1922). Although these logics rely on a semantic concept of range, they yield results for the ethical problems treated here only if grounded in certain kinds of pragmatic consensus.
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  25. Hacia una lógica de analogía.John R. Welch - 1994 - Revista Latinoamericana de Filosofia 20 (1):161-167.
    How do we distinguish good and bad analogies? Luis A. Camacho proposed that false analogies be construed as false material conditionals. This article offers a counter-proposal: analogies of all sorts can be understood as singular inductive inferences. For the sake of simplicity, this proposal is illustrated with reference to Carnap's favorite inductive method c*.
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