blob: 1f60a64f0dbf52d3183d0956b2ef83f048bb8258 [file] [edit]
f : Nat → Nat
x y z : Nat
h : x = (fun x => x) y
⊢ f x = f y
f : Nat → Nat
x y z : Nat
h : x = y
⊢ f x = f y