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		tphyahoo2 80 days ago \| parent \| context \| favorite \| on: How has mathematics gotten so abstract? Just drop the axiom of infinity and quit whining. https://en.wikipedia.org/wiki/Ultrafinitism

drdeca 80 days ago [–]

Can one do QFT in an ultrafinitistic foundations? My guess is no.

Also, I don’t think ZF sans the axiom of infinity works as an ultrafinitistic theory? It still has every natural number, just not the set of all of them.

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