blob: 873f0f5ff231ffc6700b93d5ff7da62b96f93e1f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
|
(*
Example proof script for HOL Proof General.
$Id$
*)
g `A /\ B ==> B /\ A`;
e DISCH_TAC;
e CONJ_TAC;
e (IMP_RES_TAC AND_INTRO_THM);
e (IMP_RES_TAC AND_INTRO_THM);
val and_comms = top_thm(); drop();
(* this is not quite like the other proofs,
can anyone tell me a more similar proof in HOL? *)
|