instance instIsEquivalenceOverMap_toric {C : Type u_1} [CategoryTheory.Category.{u_2, u_1} C] {X Y : C} {f : X ⟶ Y} [CategoryTheory.IsIso f] : (CategoryTheory.Over.map f).IsEquivalence

instance instIsEquivalenceUnderMap_toric {C : Type u_1} [CategoryTheory.Category.{u_2, u_1} C] {X Y : C} {f : X ⟶ Y} [CategoryTheory.IsIso f] : (CategoryTheory.Under.map f).IsEquivalence