Mathlib v3 is deprecated. Go to Mathlib v4

Def contravariant

Modification history

2021-06-13 11:45

src/algebra/covariant_and_contravariant.lean

feat(algebra/covariant_and_contravariant): API for covariant_and_contravariant (#7889) …

Modified contravariant View on Github →

2021-06-11 21:18

src/algebra/covariant_and_contravariant.lean

chore(algebra/{covariant_and_contravariant + ordered_monoid_lemmas}): new file covariant_and_contravariant (#7890) …

Modified contravariant View on Github →

2021-05-15 16:28

src/algebra/ordered_monoid_lemmas.lean

feat(algebra/{ordered_monoid, ordered_monoid_lemmas}): split the `ordered_[...]` typeclasses (#7371) …

Added contravariant View on Github →