9 lines
154 B
Text
9 lines
154 B
Text
Theorem T2 (a b : Bool) : a => b => a /\ b.
|
|
(** imp_tac() **)
|
|
(** imp_tac2() **)
|
|
foo.
|
|
(** imp_tac() **)
|
|
abort.
|
|
|
|
Variables a b : Bool.
|
|
Show Environment 2.
|