Mathlib v3 is deprecated. Go to Mathlib v4

Theorem PartialOrder_dual_equiv_comp_forget_to_Preorder

Modification history

2022-02-12 09:20
src/order/category/PartialOrder.lean
feat(order/category/BoundedOrder): The category of bounded orders (#11961) …
Deleted PartialOrder_dual_equiv_comp_forget_to_PreorderView on Github →
2022-02-02 08:53
src/order/category/PartialOrder.lean
feat(order/category/*): `order_dual` as an equivalence of categories (#11743) …
Added PartialOrder_dual_equiv_comp_forget_to_PreorderView on Github →