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Theorem first_order.language.exists_elementary_substructure_card_eq

Modification history

2022-05-27 17:02
src/model_theory/skolem.lean
feat(model_theory/satisfiability): Upward Löwenheim–Skolem (#13982) …
Modified first_order.language.exists_elementary_substructure_card_eqView on Github →
2022-05-05 22:29
src/model_theory/skolem.lean
feat(model_theory/skolem): Downward Löwenheim–Skolem (#13723) …
Added first_order.language.exists_elementary_substructure_card_eqView on Github →