Mathlib v3 is deprecated. Go to Mathlib v4

Theorem order_iso.coe_dual_dual_symm

Modification history

2022-02-02 08:53
src/order/hom/basic.lean
feat(order/category/*): `order_dual` as an equivalence of categories (#11743) …
Added order_iso.coe_dual_dual_symmView on Github →