Theorem order_dual.Preorder.dual_dual

Modification history

2022-11-14 11:36
Mathlib/Order/Basic.lean
feat: port Order.Basic (#556) …
Deleted order_dual.Preorder.dual_dualView on Github →
2022-08-18 18:40
Mathlib/Order/Basic.lean
feat(Mathlib/Order/Basic): port most of data/order/basic.lean (#348) …
Added order_dual.Preorder.dual_dualView on Github →