995.lean:1:40-5:14: error: unsolved goals
case match_1
x : Nat
⊢ {h : 0 = 0} → Nat

case match_2
x n : Nat
⊢ {h : n + 1 = n + 1} → Nat
995.lean:7:41-10:14: error: unsolved goals
case match_1
x : Nat
⊢ {h : 0 = 0} → Nat

case match_2
x n : Nat
⊢ {h : n + 1 = n + 1} → Nat