[FOM] Omega Consistency of Q Implies Consistency of PA?
williamtait at mac.com
Wed Apr 15 14:53:41 EDT 2015
Q is Sigma_1 complete. (Provable in PA)
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> On Apr 15, 2015, at 9:49 AM, Richard Heck <richard_heck at brown.edu> wrote:
> Feferman mentions in a footnote in "Arithmetization" that Kreisel showed that the omega consistency of Q finitistically implies the consistency of PA. Unfortunately, the paper to which he refers seems to be hard to get. Can anyone explain the proof of this?
> Richard Heck
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