Steve Patterson: Certainty and Logic | Who Shaves the Barber? #26

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Steve Patterson

Steve Patterson’s book Square One: The Foundations of Knowledge begins with the bold claim: “Truth is discoverable. I’m certain of it.” The rest of the book is an attempt to prove that there are certain truths for which there is not a sliver of doubt.

I am, to say the least, unconvinced. Universal fallibilism – the claim that all knowledge leaves room for doubt – is, ironically enough, a view I’m particularly confident of (though, obviously, not certain of). Indeed, I did a two-part podcast on this topic (Against Certainty: Knowledge and Experience and Against Certainty: Logic). In this interview, I challenge Steve’s claims to certainty with my skeptical doubts. The conversation takes us through the Münhhausen Trilemma, the nature of justification, subjective experience, and, of course, the ever-popular liar paradox.



Next week: Catarina Dutilh Novaes: Logic as Social Practice

Special thanks to Jackie Blum for the podcast art, and The Tin Box for the theme music.
Click here for the full list of episodes!

Topics discussed

0:41 – The goal of certainty
2:59 – Agrippan trilemma
6:37 – Certainty v. necessity (epistemology v. metaphysics)
19:08 – Justification (grounds for belief)
25:42 – Certainty about experience v. certainty about logical truths
29:03 – Meditating on experience
31:40 – Presuppositions of skepticism?
41:50 – Negation
43:32 – “Logic and existence are inseparable”
47:28 – Philosophy of language
49:50 – Liar paradox, negation, and the possibility of contradiction


Square One: The Foundations of Knowledge by Steve Patterson
How to Resolve the Liar’s Paradox” by Steve Patterson (video)

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