•  165
    Dialetheism and Modus Tollens
    The Reasoner 15 (4): 30. 2021.
    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.
  •  163
    The Number of Bricks in a Ziggurat
    with Jarinah Jabbar
    Mathematics Magazine 93 (3): 226-227. 2020.
    The number of bricks in a ziggurat is a sum of consecutive squares.
  •  140
    It’s a platitude – which only a philosopher would dream of denying – that whereas words are connected to what they represent merely by arbitrary conventions, pictures are connected to what they represent by resemblance. The most important difference between my portrait and my name, for example, is that whereas my portrait and I are connected by my portrait’s resemblance to me, my name and I are connected merely by an arbitrary convention. The first aim of this book is to defend this platitude fr…Read more
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