9 lines
205 B
Text
9 lines
205 B
Text
import logic
|
|
open tactic
|
|
|
|
theorem tst {A B : Prop} (H1 : A) (H2 : B) : A ∧ B ∧ A
|
|
:= by (apply @and.intro;
|
|
apply (show A, from H1);
|
|
apply (show B ∧ A, from and.intro H2 H1))
|
|
|
|
check @tst
|