[FOM] 187:Grand Unification 2 - saving human lives
Steve Newberry
stevnewb at ix.netcom.com
Wed Jul 9 14:08:10 EDT 2003
See below:
>I have already practiced a little bit of what I preach: a paper of mine is
>appearing in Fund. Math. with a very detailed proof that decides all 3
>quantifier sentences in set theory with epsilon,=, and there are only
>FINITELY many such up to tautological equivalence.
What is the decision for, the status of, the following 3Q cwff in epsilon
and = ?
(Read '@' for "epsilon", '/@' for "not epsilon")
.(Ax)[x /@ x & .(Ey)[x @ y & .(Az)[y at z => x @ z].].].
On what domains, if any, is it realized? How was the decision made?
Cordially,
Steve
>Harvey Friedman
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