Set: pp::colors Set: pp::unicode Assumed: a Assumed: b Assumed: f Assumed: g λ x x2 : ℕ, (∀ y : ℕ, g y = x) → x > x2 + x funext (λ x : ℕ, funext (λ x2 : ℕ, imp_congr (refl (∀ y : ℕ, g y = x)) (λ C::3 : ∀ y : ℕ, g y = x, congr (congr2 Nat::gt (C::3 (a + x + b))) (congr2 (Nat::add x2) (C::3 x)))))