mathlib

09d0f028 - chore({category_theory,order}/category/*): Missing `dsimp` lemmas (#12593)

chore({category_theory,order}/category/*): Missing `dsimp` lemmas (#12593) Add the `dsimp` lemmas stating `↥(of α) = α `. Also rename the few `to_dual` functors to `dual` to match the other files.