5 found
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  1.  25
    Dialetheism and Modus Tollens.Ben Blumson & Theresa Helke - 2021 - The Reasoner 15 (4):30.
    Suppose that some contradictions are true – for example, that as I walk through the door, I’m inside and I’m not inside. Then we argue 'if I'm walking through the door, I'm inside; I'm not inside; therefore, I'm not walking through the door' is an invalid instance of modus tollens.
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  2.  27
    Taylor Swift's Liar Paradox.Theresa Helke - 2021 - Philosophy Now 145:34-37.
    With the help of renowned logician Taylor Swift, Theresa Helke introduces four fundamental paradoxes: the Liar, Epimenides’, the Truth-Teller, and the No-No.
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  3.  41
    How Many Impossible Images Did Escher Produce?Chris Mortensen, Steve Leishman, Peter Quigley & Theresa Helke - 2013 - British Journal of Aesthetics 53 (4):425-441.
    In this article we address the question of how many impossible images Escher produced. To answer requires us first to clarify a range of concepts, including content, ambiguity, illusion, and impossibility. We then consider, and reject, several candidates for impossibility before settling on an answer.
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  4.  7
    Making Philosophy of Language Classes Relevant and Inclusive.Theresa Helke - 2022 - Teaching Philosophy 45 (1):87-104.
    In this article, I present a philosophy-of-language assignment which emerges as the hero in a fable with the following trio of villains:ness, Parroting, and Boredom. Building on Penny Weiss’s “Making History of Ideas Classes Relevant”, and serving students taking an introductory course which covers Western theories of meaning, the “You are there” essay conquers Abstractness by requiring students to make a connection between the material and their lives, rendering theories relevant. It conquers Parroting by requiring them to apply theories to (...)
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  5.  11
    On Conditionals.Theresa Helke - 2018 - Dissertation, National University of Singapore
    This thesis is about indicative conditionals and apparent counterexamples to classically valid argument forms. Specifically, it applies the following four theories: - material (inspired by Grice (1961, 1975 and 1989)); - possible-worlds (inspired by Stalnaker (1981); Lewis (1976); and Kratzer (2012)), - suppositional (inspired by Adams (1975) and Edgington (1995 and 2014)); and - hybrid (inspired by Jackson (1987)) to try and solve the following two counterexamples: - Vann McGee’s to modus ponens (1985); and - Lewis Carroll’s to modus tollens (...)
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