IOA/example/Action.ML

Proofs of inv1 and inv4 now use less_le_trans instead of
less_leq_less.

(*  Title:      HOL/IOA/example/Action.ML
    ID:         $Id$
    Author:     Tobias Nipkow & Konrad Slind
    Copyright   1994  TU Muenchen

Derived rules for actions
*)

goal Action.thy "!!x. x = y ==> action_case(a,b,c,d,e,f,g,h,i,j,x) =     \
\                               action_case(a,b,c,d,e,f,g,h,i,j,y)";
by (asm_simp_tac HOL_ss 1);

val action_ss = arith_ss addcongs [result()] addsimps Action.action.simps;