Mathlib v3 is deprecated. Go to Mathlib v4

Theorem set.preimage_eq

Modification history

2019-02-08 09:28
src/data/rel.lean
feat(data/rel): galois_connection (image r) (core r)
Modified set.preimage_eqView on Github →
2019-02-08 09:28
data/rel.lean
feat(data/rel): a type for binary relations
Added set.preimage_eqView on Github →