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Profile: Ken Akiba (Virginia Commonwealth University)
  1. Vagueness in the World.Ken Akiba - 2004 - Noûs 38 (3):407–429.
  2.  79
    Shogenji's Probabilistic Measure of Coherence is Incoherent.Ken Akiba - 2000 - Analysis 60 (4):356–359.
  3.  83
    Probabilistic Measures of Coherence and the Problem of Belief Individuation.Luca Moretti & Ken Akiba - 2007 - Synthese 154 (1):73 - 95.
    Coherentism in epistemology has long suffered from lack of formal and quantitative explication of the notion of coherence. One might hope that probabilistic accounts of coherence such as those proposed by Lewis, Shogenji, Olsson, Fitelson, and Bovens and Hartmann will finally help solve this problem. This paper shows, however, that those accounts have a serious common problem: the problem of belief individuation. The coherence degree that each of the accounts assigns to an information set (or the verdict it gives as (...)
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  4. Vague Objects and Vague Identity: New Essays on Ontic Vagueness.Ken Akiba & Ali Abasnezhad (eds.) - 2014 - Springer.
     
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  5.  69
    Vagueness as a Modality.Ken Akiba - 2000 - Philosophical Quarterly 50 (200):359-370.
  6.  71
    How Barnes and Williams Have Failed to Present an Intelligible Ontic Theory of Vagueness.Ken Akiba - 2015 - Analysis 75 (4):565-573.
    Elizabeth Barnes and J. Robert G. Williams claim to offer a new ontic theory of vagueness, the kind of theory which considers vagueness to exist not in language but in reality. This paper refutes their claim. The possible worlds they employ are ersatz possible worlds, i.e., sets of sentences. Unlike reality, they don’t contain concrete and often material objects. As a result, there is nothing in Barnes and Williams’s description of the theory that the semanticist cannot or does not accept. (...)
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  7.  23
    Referential Indeterminacy with an Ontic Source? – A Criticism of Williams’s Defense of Vague Objects.Ken Akiba - 2015 - Metaphysica 16 (2).
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  8.  72
    Indefiniteness of Mathematical Objects.Ken Akiba - 2000 - Philosophia Mathematica 8 (1):26--46.
    The view that mathematical objects are indefinite in nature is presented and defended, hi the first section, Field's argument for fictionalism, given in response to Benacerraf's problem of identification, is closely examined, and it is contended that platonists can solve the problem equally well if they take the view that mathematical objects are indefinite. In the second section, two general arguments against the intelligibility of objectual indefiniteness are shown erroneous, hi the final section, the view is compared to mathematical structuralism, (...)
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  9.  40
    Identity Is Simple.Ken Akiba - 2000 - American Philosophical Quarterly 37 (4):389 - 404.
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  10.  13
    A Unification of Two Approaches to Vagueness: The Boolean Many-Valued Approach and the Modal-Precisificational Approach.Ken Akiba - 2017 - Journal of Philosophical Logic 46 (4):419-441.
    The Boolean many-valued approach to vagueness is similar to the infinite-valued approach embraced by fuzzy logic in the respect in which both approaches seek to solve the problems of vagueness by assigning to the relevant sentences many values between falsity and truth, but while the fuzzy-logic approach postulates linearly-ordered values between 0 and 1, the Boolean approach assigns to sentences values in a many-element complete Boolean algebra. On the modal-precisificational approach represented by Kit Fine, if a sentence is indeterminate in (...)
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  11.  48
    Logic and Truth.Ken Akiba - 2000 - Journal of Philosophical Research 25:101-123.
    It is usually held that what distinguishes a good inference from a bad one is that a good inference is truth-preserving. Against this view, this paper argues that a logical inference is good or bad depending not on whether it is truth-preserving or not, but whether it belongs to a logical system the addition of which makes a deductively conservative extension of the derivation relations among the atomic statements. To so argue, the paper first contends that the meaning of the (...)
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  12.  41
    A Defense of Indeterminate Distinctness.Ken Akiba - 2014 - Synthese 191 (15):3557-3573.
    On the one hand, philosophers have presented numerous apparent examples of indeterminate individuation, i.e., examples in which two things are neither determinately identical nor determinately distinct. On the other hand, some have argued against even the coherence of the very idea of indeterminate individuation. This paper defends the possibility of indeterminate individuation against Evans’s argument and some other arguments. The Determinacy of Identity—the thesis that identical things are determinately identical—is distinguished from the Determinacy of Distinctness—the thesis that distinct things are (...)
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  13.  52
    A Deflationist Approach to Indeterminacy and Vagueness.Ken Akiba - 2002 - Philosophical Studies 107 (1):69 - 86.
    Deflationists cannot make sense of the notion of referential indeterminacy because they deny the existence of substantive reference. One way for them to make sense of the objective existence of linguistic indeterminacy is by embracing the worldly (or objectual) view of indeterminacy, the view that indeterminacy exists not in reference relations but in the(non-linguistic) world itself. On this view, the entire world is divided into precisified worlds, just as it is divided into temporal slices and (arguably) alethic possible worlds. Supervaluationism (...)
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  14.  93
    Conceptions of Truth.Ken Akiba - 2004 - Australasian Journal of Philosophy 82 (3):525 – 527.
    Book Information Conceptions of Truth. Conceptions of Truth Wolfgang Künne , Oxford : Clarendon Press , 2003 , xiii + 493 , £50.00 ( cloth ) By Wolfgang Künne. Clarendon Press. Oxford. Pp. xiii + 493. £50.00 (cloth:).
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  15.  88
    A New Theory of Quantifiers and Term Connectives.Ken Akiba - 2009 - Journal of Logic, Language and Information 18 (3):403-431.
    This paper sets forth a new theory of quantifiers and term connectives, called shadow theory , which should help simplify various semantic theories of natural language by greatly reducing the need of Montagovian proper names, type-shifting, and λ-conversion. According to shadow theory, conjunctive, disjunctive, and negative noun phrases such as John and Mary , John or Mary , and not both John and Mary , as well as determiner phrases such as every man , some woman , and the boys (...)
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  16.  23
    Can Deflationism Allow for Hidden Indeterminacy?Ken Akiba - 2002 - Pacific Philosophical Quarterly 83 (3):223–234.
    Field (2000) claims that both inflationists and deflationists can and should accept the existence of linguistic indeterminacy in their own language. This paper shows that inflationists and deflationists consider the nature of indeterminacy quite differently; in particular, deflationists’ notion of indeterminacy lacks the kind of objectivity inflationists’ notion has; as a result, while both inflationists and deflationists can and should accept the existence of manifest indeterminacy such as vagueness, only inflationists can accept the existence of hidden indeterminacy such as the (...)
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  17.  3
    Vagueness as a Modality.Ken Akiba - 2000 - Philosophical Quarterly 50 (200):359-370.
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  18.  61
    Quine and the Linguistic Doctrine of Logical Truth.Ken Akiba - 1995 - Philosophical Studies 78 (3):237 - 256.
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  19.  53
    Nominalistic Metalogic.Ken Akiba - 1998 - Journal of Philosophical Logic 27 (1):35-47.
    This paper offers a novel method for nominalizing metalogic without transcending first-order reasoning about physical tokens (inscriptions, etc.) of proofs. A kind of double-negation scheme is presented which helps construct, for any platonistic statement in metalogic, a nominalistic statement which has the same assertability condition as the former. For instance, to the platonistic statement "there is a (platonistic) proof of A in deductive system D" corresponds the nominalistic statement "there is no (metalogical) proof token in (possibly informal) set theory for (...)
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  20.  45
    A Unified Theory of Quotation.Ken Akiba - 2005 - Pacific Philosophical Quarterly 86 (2):161–171.
    This paper offers a theory of quotation by uniting two apparently disparate extant theories, Recanati's pragmatic theory and Washington's identity theory. Recanati draws a distinction between open and closed quotations, and contends that open quotations do not refer. Washington argues that closed quotations refer to various expression types, not just orthographic and/or phonetic types. By combining these views, this paper proposes a theory, according to which quotations, open or closed, may be tokens of semantico-physical types (i.e., meaningful expressions), and while (...)
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  21.  32
    Logic as Instrument: The Millian View on the Role of Logic.Ken Akiba - 1996 - History and Philosophy of Logic 17 (1-2):73-83.
    I interpret Mill?s view on logic as the instrumentalist view that logical inferences, complex statements, and logical operators are not necessary for reasoning itself, but are useful only for our remembering and communicating the results of the reasoning. To defend this view, I first show that we can transform all the complex statements in the language of classical first-order logic into what I call material inference rules and reduce logical inferences to inferences which involve only atomic statements and the material (...)
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  22.  21
    Field on the Notion of Consistency.Ken Akiba - 1996 - Notre Dame Journal of Formal Logic 37 (4):625-630.
    Field's claim that we have a notion of consistency which is neither model-theoretic nor proof-theoretic but primitive, is examined and criticized. His argument is compared to similar examinations by Kreisel and Etchemendy, and Etchemendy's distinction between interpretational and representational semantics is employed to reveal the flaw in Field's argument.
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  23.  17
    Free Logic.Ken Akiba - 2004 - International Philosophical Quarterly 44 (2):281-283.
  24.  1
    Logic and Truth: A Fictionalist View.Ken Akiba - 2000 - Journal of Philosophical Research 25:101-123.
    It is usually held that what distinguishes a good inference from a bad one is that a good inference is truth-preserving. Against this view, this paper argues that a logical inference is good or bad depending not on whether it is truth-preserving or not, but whether it belongs to a logical system the addition of which makes a deductively conservative extension of the derivation relations among the atomic statements. To so argue, the paper first contends that the meaning of the (...)
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  25. Review of Terrence Parsons, Indeterminacy Identity. [REVIEW]Ken Akiba - 2002 - Philosophical Quarterly 52 (1):262--5.
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