Mathlib Changelog
v3
Changelog
About
Github
Mathlib v3 is deprecated.
Go to Mathlib v4
Def
rel.preimage
Modification history
2021-08-17 18:30
src/data/rel.lean
docs(order/filter/partial): add module docstring (#8620) …
Modified
rel.preimage
View on Github →
2019-02-08 09:28
data/rel.lean
feat(data/rel): a type for binary relations
Added
rel.preimage
View on Github →