benkuhn comments on Walkthrough of "Definability of Truth in Probabilistic Logic" - Less Wrong

11 Post author: So8res 09 December 2013 03:44AM

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Comment author: benkuhn 09 December 2013 06:31:56PM 0 points [-]

Well, a tautology can be made up of non-tautological things; we could conceivably have some sentence phi(p, q) that's a tautology if p <=> q, such that P(p) = f(P(phi(p,q))) = f(P(phi(q,p))) = P(p). I think this is what ygert is trying to do. I don't have much hope for this approach, though.