25 lines
520 B
Text
25 lines
520 B
Text
beginend_bug.lean:7:2: error:invalid 'apply' tactic, failed to unify
|
|
a = ?M_1
|
|
with
|
|
b = c
|
|
proof state:
|
|
A : Type,
|
|
a b c : A,
|
|
Hab : a = b,
|
|
Hbc : b = c
|
|
⊢ a = ?M_1
|
|
|
|
A : Type,
|
|
a b c : A,
|
|
Hab : a = b,
|
|
Hbc : b = c
|
|
⊢ ?M_1 = c
|
|
beginend_bug.lean:9:0: error: don't know how to synthesize placeholder
|
|
A : Type,
|
|
a b c : A,
|
|
Hab : a = b,
|
|
Hbc : b = c
|
|
⊢ a = c
|
|
beginend_bug.lean:9:0: error: failed to add declaration 'foo' to environment, value has metavariables
|
|
λ (A : Type) (a b c : A) (Hab : a = b) (Hbc : b = c),
|
|
?M_1
|