Re: Implementable Set Theory and Consistency of ZFC



Jesse F. Hughes wrote:

I did not ask about your needs. I asked whether the formula ~Infinity
is also a theorem of (1)-(4), where ~Infinity is the negation of the
axiom of Infinity.

(~Infinity) is _not_ a theorem of (1)-(4), in this article:

http://hdebruijn.soo.dto.tudelft.nl/jaar2007/set_theory.pdf

It is remarkably difficult to get an answer from you sometimes.

Really?

Han de Bruijn

.



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