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Changsheng (Lex) Lai
University of Edinburgh
  1.  17
    My Ordinary Anti-Sceptical Beliefs Are Not Insensitive.Changsheng Lai - 2019 - Frontiers of Philosophy in China 14 (3):469-489.
    An orthodox sceptical hypothesis claims that one’s belief that “I am not a brain-in-a-vat (BIV)” (or any other ordinary anti-sceptical belief) is insensitive. A form of sensitivity-based scepticism, can thus be constructed by combining this orthodox hypothesis with the sensitivity principle and the closure principle. Unlike traditional solutions to the sensitivity-based sceptical problem, this paper will propose a new solution—one which does not reject either closure or sensitivity. Instead, I argue that sceptics’ assumption that one’s ordinary anti-sceptical beliefs are insensitive (...)
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  2.  19
    Is ‘Knowing That P’ Identical with ‘Knowing That “P” Is True’?Changsheng Lai - 2019 - Philosophia:1-18.
    It is epistemological orthodoxy that the object of propositional knowledge is the truth of propositions. This traditional view is based on what I call the ‘KT-schema’, viz, ‘S knows that p, iff, S knows that “p” is true’. The purpose of this paper is to reject the KT-schema. By showing the paradoxical upshot of the KT-schema and providing counterexamples to the KT-schema, this paper argues that ‘knowing that p’ is more than ‘knowing that “p” is true’. Consequently, we shall rethink (...)
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  3.  35
    The Self-Hollowing Problem of the Radical Sceptical Paradox.Changsheng Lai - 2018 - Erkenntnis:1-20.
    The purpose of this paper is to provide a new solution to the radical sceptical paradox. A sceptical paradox purports to indicate the inconsistency within our fundamental epistemological commitments that are all seemingly plausible. Typically, sceptics employ an intuitively appealing epistemic principle to derive the sceptical conclusion. This paper will reveal a dilemma intrinsic to the sceptical paradox, which I refer to as the self-hollowing problem of radical scepticism. That is, on the one hand, if the sceptical conclusion turns out (...)
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  4.  14
    Concept of Gradable Knowledge.Changsheng Lai - 2019 - Dissertation, University of Edinburgh
    An orthodox view in epistemology holds that propositional knowledge is an absolute ‘yes or no’ affair, viz, propositional knowledge is ungradable. Call this view epistemic absolutism. This thesis purports to challenge this absolutist orthodoxy and develop an underexplored position—epistemic gradualism, which was initially proposed by Stephen Hetherington. As opposed to epistemic absolutism, epistemic gradualism argues that propositional knowledge can come in degrees. This thesis will examine motivations for endorsing absolutism and then, drawing on Hetherington’s original objections to absolutism, prove that (...)
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  5. Scepticism and the Self-Hollowing Problem: A Dichotomous Solution to Sceptical Paradox.Changsheng Lai - 2016 - Dissertation,
     
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