After training in analytic philosophy, I became fascinated by American pragmatism, particularly the thought of Charles Peirce. I did my PhD at Australian National University on Peirce's three philosophical categories ("Modes of Being"), where my thesis presented an extended argument against Quine's famous mid-century dictum: "to be is the value of a bound variable..." (in our best scientific theory).

Since then, I've brought Peirce's ideas into many mainstream philosophy debates, including realism and truth, modal epistemology and the grounds of logical normativity. More recently I've been working on perception and cognition, where I've eng…

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