20 lines
474 B
Text
20 lines
474 B
Text
gen_fail.lean:6:2: error:invalid 'generalize' tactic, type error
|
||
type mismatch at application
|
||
eq v
|
||
term
|
||
v
|
||
has type
|
||
vector ℕ n_1
|
||
but is expected to have type
|
||
vector ℕ n
|
||
proof state:
|
||
n : ℕ,
|
||
v : vector ℕ n
|
||
⊢ v = v
|
||
gen_fail.lean:7:0: error: don't know how to synthesize placeholder
|
||
n : ℕ,
|
||
v : vector ℕ n
|
||
⊢ v = v
|
||
gen_fail.lean:7:0: error: failed to add declaration 'tst' to environment, value has metavariables
|
||
λ (n : ℕ) (v : vector ℕ n),
|
||
?M_1
|