25 lines
523 B
Text
25 lines
523 B
Text
open tactic
|
|
|
|
example {A B : Type} (f : A -> B) a b c (h1 : f a = b) (h2 : f a = c) : false :=
|
|
begin
|
|
rw h1 at *,
|
|
guard_hyp h1 := f a = b,
|
|
guard_hyp h2 := b = c,
|
|
admit
|
|
end
|
|
|
|
example {A B : Type} (f : A -> B) a b c (h1 : f a = b) (h2 : f a = c) : false :=
|
|
begin
|
|
rw [id h1] at *,
|
|
guard_hyp h1 := f a = b,
|
|
guard_hyp h2 := b = c,
|
|
admit
|
|
end
|
|
|
|
example {A B : Type} (f : A -> B) a b c (h1 : f a = b) (h2 : f a = c) : false :=
|
|
begin
|
|
rw [id id h1] at *,
|
|
guard_hyp h1 := f a = b,
|
|
guard_hyp h2 := b = c,
|
|
admit
|
|
end
|