Def Preorder.to_dual

Modification history

2022-03-12 02:28
src/order/category/Preorder.lean
chore({category_theory,order}/category/*): Missing `dsimp` lemmas (#12593) …
Deleted Preorder.to_dualView on Github →
2022-02-02 08:53
src/order/category/Preorder.lean
feat(order/category/*): `order_dual` as an equivalence of categories (#11743) …
Added Preorder.to_dualView on Github →