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Profile: Cheng-Chih Tsai (Mackay Medical College)
  1. Cheng-Chih Tsai (2015). The Ethics of Killing, an Amoral Enquiry. Applied Ethics Review 59:25-49.
    In ‘What Makes Killing Wrong?’ Sinnott-Armstrong and Miller make the bold claim that killing in itself is not wrong, what is wrong is totally-disabling. In ‘After-Birth Abortion: Why Should the Baby Live?’ Giubilini and Minerva argue for allowing infanticide. Both papers challenge the stigma commonly associated with killing, and emphasize that killing is not wrong at some margins of life. In this paper, we first generalize the above claims to the thesis that there is nothing morally wrong with killing per (...)
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  2. Cheng-Chih Tsai (2009). Senses of Compositionality and Compositionality of Senses. Linguistic and Philosophical Investigations 8:86-104.
    In The Logical Basis of Metaphysics, Dummett argues at length that Geach has been wrong in taking the sense of a predicate to be a function that sends the sense of a proper name to that of a sentence, and claims that it should instead be a means to determine the referent of the predicate, as is suggested by Frege’s sense-determines-reference (SDR) principle. This disagreement between Dummett and Geach calls for a serious investigation into two of Frege’s sense-related principles, namely (...)
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  3.  99
    Cheng-Chih Tsai (2013). The Unbearable Lightness of Personal Identity — Messages From Bioethics. In Center for Applied Ethics and Philosophy (ed.), Applied Ethics: Risk, Justice and Liberty: 39-51. Hokkaido University
    With the advancement of bio-science and bio-technology come nasty new bioethical dilemmas, and some bioethicists have resorted to metaphysics, in particular, the notion of personal identity, to resolve them. I claim, however, that metaphysical accounts of personal identity at present are incapable of withstanding the impact of bioethical dilemmas. Bioethical issues such as criteria of death, brain transplantation, and dementia with/without advance directives invite us to deconstruct three shaky metaphysical notions concerning personal identity so that we can tackle ethical problems (...)
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  4.  46
    Cheng-Chih Tsai (2011). A Token-Based Semantic Analysis of McTaggart's Paradox. Linguistic and Philosophical Investigations 10:107-124.
    In his famous argument for the unreality of time, McTaggart claims that i) being past, being present, and being future are incompatible properties of an event, yet ii) every event admits all these three properties. In this paper, I examine two key concepts involved in the formulation of i) and ii), namely that of “validity” and that of “contradiction”, and for each concept I distinguish a static version and a dynamic version of it. I then arrive at three different ways (...)
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  5.  33
    Cheng-Chih Tsai (2011). A Unified Tenseless Theory of Time. Prolegomena 10 (1):5-37.
    Concerning the versions of the Tenseless Theory of Time, the Old Btheory has two: the Date-analysis version and the Token-reflexive version, while the New B-theory has three: the Date-analysis, the Token-reflexive and the Sentence-type versions. Each of these five versions of the B-theory has received serious attacks from the A-theorists, some of whom even claim that the tenseless theory “though still widely held, is a theory in retreat” (Craig 1996), and that “if Quentin Smith (1993) delivered the mortal blow to (...)
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  6.  24
    Cheng-Chih Tsai (2012). The Genesis of Hi-Worlds: Towards a Principle-Based Possible World Semantics. Erkenntnis 76 (1):101-114.
    A Leibnizian semantics proposed by Becker in 1952 for the modal operators has recently been reviewed in Copeland’s paper The Genesis of Possible World Semantics (Copeland in J Philos Logic 31:99–137, 2002 ), with a remark that “neither the binary relation nor the idea of proving completeness was present in Becker’s work”. In light of Frege’s celebrated Sense-Determines-Reference principle, we find, however, that it is Becker’s semantics, rather than Kripke’s semantics, that has captured the true spirit of Frege’s semantic program. (...)
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