- apartness relation
- axiom of choice, axiom of extensionality, axiom of foundation, axiom of infinity, axiom of multiple choice, axiom of pairing, axiom of replacement, axiom of union
- COSHEP
- ETCS
- Trimble on ETCS: I, II,

- model theory
- Mostowski's collapsing lemma
- nonstandard analysis
- forcing
- Skolem's paradox
- VopÄ›nka's principle

Last revised on June 3, 2022 at 16:52:44. See the history of this page for a list of all contributions to it.