(*
Example proof script for HOL Proof General.
$Id$
*)
g `A /\ B ==> B /\ A`;;
e DISCH_TAC;;
e CONJ_TAC;;
e (ASM_SIMP_TAC[]);;
e (ASM_SIMP_TAC[]);;
let and_comms = top_thm();;
g `A /\ B ==> B /\ A`;;
e DISCH_TAC;;
e CONJ_TAC;;
e (ASM_SIMP_TAC[]);;
e (ASM_SIMP_TAC[]);;
let and_comms2 = top_thm();;