6 ideas
23367 | Even pointing a finger should only be done for a reason [Epictetus] |
7726 | Aristotelian logic dealt with inferences about concepts, and there were also proposition inferences [Weiner] |
17879 | Axiomatising set theory makes it all relative [Skolem] |
17878 | If a 1st-order proposition is satisfied, it is satisfied in a denumerably infinite domain [Skolem] |
17880 | Integers and induction are clear as foundations, but set-theory axioms certainly aren't [Skolem] |
17881 | Mathematician want performable operations, not propositions about objects [Skolem] |