Theorem Details
theorem zero_add (n : Nat) : 0 + n = n := sorry
Bounty: 0.0008 ETH
Status: Closed
Proof
theorem zero_add (n : Nat) : 0 + n = n := by
induction n with
| zero =>
rfl
| succ k ih =>
rw [Nat.add_succ, ih]