Theorem contravariant_flip_mul_iff

Modification history

2023-09-14 10:14

Mathlib/Algebra/CovariantAndContravariant.lean

chore(Co(ntra)variantClass): generalize and remove duplicates (#6677) …

Deleted contravariant_flip_mul_iff View on Github →

2022-10-17 21:30

Mathlib/Algebra/CovariantAndContravariant.lean

feat: port Algebra/CovariantAndContravariant (#467) …

Added contravariant_flip_mul_iff View on Github →