(* Title: HOLCF/IOA/ABP/Action.thy
ID: $Id: Action.thy,v 1.4 2005/09/03 14:50:25 wenzelm Exp $
Author: Olaf Müller
*)
header {* The set of all actions of the system *}
theory Action
imports Main
begin
datatype action = New | Loc nat | Free nat
lemma [cong]: "!!x. x = y ==> action_case a b c x = action_case a b c y"
by simp
ML {* use_legacy_bindings (the_context ()) *}
end
lemma
x = y ==> action_case a b c x = action_case a b c y