Theorem FirstOrder.Language.BoundedFormula.ex_iff_not_all_not

Modification history

2024-10-02 18:00
Mathlib/ModelTheory/Equivalence.lean
feat(ModelTheory/Equivalence): Implication of formulas modulo a theory (#16800) …
Added FirstOrder.Language.BoundedFormula.ex_iff_not_all_notView on Github →