hidingInaccessibleNames.lean:4:15-4:16: error: don't know how to synthesize placeholder
context:
⊢ Nat
hidingInaccessibleNames.lean:3:19-3:20: error: don't know how to synthesize placeholder
context:
a b : Nat
 : [a, b] ≠ []
⊢ Nat
hidingInaccessibleNames.lean:2:16-2:17: error: don't know how to synthesize placeholder
context:
 : [] ≠ []
⊢ Nat
hidingInaccessibleNames.lean:10:16-10:17: error: don't know how to synthesize placeholder
context:
x✝⁵ : List Nat
x✝⁴ : Nat
x✝³ : x✝⁵ ≠ []
x✝² : List Nat
x✝¹ : Nat
x✝ : x✝² ≠ []
⊢ Nat
hidingInaccessibleNames.lean:9:19-9:20: error: don't know how to synthesize placeholder
context:
x✝⁴ : List Nat
x✝³ : Nat
x✝² : x✝⁴ ≠ []
a b x✝¹ : Nat
x✝ : [a, b] ≠ []
⊢ Nat
hidingInaccessibleNames.lean:8:16-8:17: error: don't know how to synthesize placeholder
context:
x✝⁴ : List Nat
x✝³ : Nat
x✝² : x✝⁴ ≠ []
x✝¹ : Nat
x✝ : [] ≠ []
⊢ Nat
case inl
p q : Prop
h : p ∨ q
 : p
⊢ q ∨ p

case inr
p q : Prop
h : p ∨ q
 : q
⊢ q ∨ p
hidingInaccessibleNames.lean:23:25-23:26: error: don't know how to synthesize placeholder
context:
x✝² : Prop
x✝¹ : x✝²
 : x✝²
⊢ decide x✝² = true
hidingInaccessibleNames.lean:27:17-27:18: error: don't know how to synthesize placeholder
context:
x✝ : Char
⊢ x✝.val = x✝.val