Re: what makes it true?



Timothy Little <tim-usenet@xxxxxxxxxxxxxxxxxx> writes:

> I may be mistaken, but isn't it a theorem that an undecidable
> proposition has both models where it is true and models where it is
> false?

Sure.

> Why do you accept only the models in which it is true?

It's not a matter of accepting anything except a perfectly ordinary
(and easily proved) mathematical theorem: if Goldbach's conjecture
is undecidable in PA, then it is true, that is, every even number
greater than 2 is the sum of two primes.
.



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