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src/HOL/HOLCF/IOA/meta_theory/Automata.thy
changeset 44066 d74182c93f04
parent 42793 88bee9f6eec7
child 45606 b1e1508643b1 
--- a/src/HOL/HOLCF/IOA/meta_theory/Automata.thy	Mon Aug 08 10:26:26 2011 -0700
+++ b/src/HOL/HOLCF/IOA/meta_theory/Automata.thy	Mon Aug 08 10:32:55 2011 -0700
@@ -609,7 +609,7 @@
    (if a:actions(asig_of(D)) then                                             
       (snd(snd(snd(s))),a,snd(snd(snd(t)))):trans_of(D)                       
     else snd(snd(snd(t)))=snd(snd(snd(s)))))"
-  apply (simp (no_asm) add: par_def actions_asig_comp Pair_fst_snd_eq Let_def ioa_projections)
+  apply (simp (no_asm) add: par_def actions_asig_comp prod_eq_iff Let_def ioa_projections)
   done
isabelle