23 lines
502 B
Text
23 lines
502 B
Text
gen_bug.lean:9:2: error:invalid 'generalize' tactic, type error
|
|
type mismatch at application
|
|
@heq B b
|
|
term
|
|
b
|
|
has type
|
|
B_1
|
|
but is expected to have type
|
|
B
|
|
proof state:
|
|
A B : Type,
|
|
a : A,
|
|
b : B,
|
|
H : @heq A a B b
|
|
⊢ @heq B b A a
|
|
gen_bug.lean:12:0: error: don't know how to synthesize placeholder
|
|
A B : Type,
|
|
a : A,
|
|
b : B
|
|
⊢ @heq A a B b → @heq B b A a
|
|
gen_bug.lean:12:0: error: failed to add declaration 'tst' to environment, value has metavariables
|
|
λ (A B : Type) (a : A) (b : B),
|
|
?M_1
|