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> But, at most countably many of those sets will ever be individually thought about by any human being. If your arguments are tied to such physical constraints

by baddox 10y ago

> But, at most countably many of those sets will ever be individually thought about by any human being. If your arguments are tied to such physical constraints, then there aren't even countably infinite natural numbers unless the Universe is infinite in space or in time (such that there can be infinite humans or "thinkers").

skissane 10y ago
Indeed, that's why I'm an ultrafinitist. https://en.wikipedia.org/wiki/Ultrafinitism https://en.wikipedia.org/wiki/Ultrafinitism
- baddox 10y ago
  Interesting. I was aware of finitism, of course, and even strict finitism, but not this particularly strict version of it.
- pizza 10y ago
  That took a Wittgensteinian turn, lol.