Re: THIS STATEMENT HAS NO PROOF IN ANY SYSTEM = true or false?

From: Torkel Franzen (torkel_at_sm.luth.se)
Date: 01/12/05


Date: 12 Jan 2005 12:39:17 +0100


"LordBeotian" <pokipsy76@CANCELLAMIyahoo.it> writes:

> There is not a recursive procedure to assign names to costructive Ordinals.
> We could obtain a NON-r.e. set of "possible recognizable truths" by
> collecting the sentances "A is an ordinal" for any costructive
> ordinal...

  What I was wondering was on what grounds Daryl took the notion of
"possible truth recognizable to mathematicians" to be well-defined.
What does it mean to "recognize" a mathematical truth, say of the
form "for every natural number n, P(n)", where P is a mechanically
decidable property.



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