lean4-htt/tests/lean/run/474_lean3.lean
2020-11-14 18:04:22 -08:00

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Text

def my_eq {A : Type _} (a b : A) : Prop := true
theorem id_map_is_right_neutral₁ {A : Type} (map : A -> A) :
my_eq (Function.comp.{1, 1, _} map map) map :=
sorry
theorem id_map_is_right_neutral₂ {A : Type} (map : A -> A) :
my_eq (Function.comp map map) map :=
sorry
theorem id_map_is_right_neutral₃ {A : Type} (map : A -> A) :
my_eq (map ∘ map) map :=
sorry