exactErrorPos.lean:4:13-4:14: error: don't know how to synthesize placeholder context: f : Nat → Nat x : Nat h1 : ∀ (x : Nat), x > 0 → f x = x h2 : x > 0 ⊢ x > 0 exactErrorPos.lean:3:99-4:14: error: unsolved goals f : Nat → Nat x : Nat h1 : ∀ (x : Nat), x > 0 → f x = x h2 : x > 0 ⊢ f x = x exactErrorPos.lean:7:14-7:15: error: don't know how to synthesize placeholder context: f : Nat → Nat x : Nat h1 : ∀ (x : Nat), x > 0 → f x = x h2 : x > 0 ⊢ x > 0 exactErrorPos.lean:6:99-7:15: error: unsolved goals f : Nat → Nat x : Nat h1 : ∀ (x : Nat), x > 0 → f x = x h2 : x > 0 ⊢ f x = x exactErrorPos.lean:22:38-22:39: error: don't know how to synthesize placeholder context: f : Nat → Nat x : Nat h1 : ∀ (x : Nat), x > 0 → f x = x h2 : x > 0 ⊢ x > 0 exactErrorPos.lean:21:99-23:12: error: unsolved goals f : Nat → Nat x : Nat h1 : ∀ (x : Nat), x > 0 → f x = x h2 : x > 0 ⊢ f x = x