(* Title: StateSpaceLocale.thy
ID: $Id$
Author: Norbert Schirmer, TU Muenchen
*)
header {* Setup for State Space Locales \label{sec:StateSpaceLocale}*}
theory StateSpaceLocale imports StateFun
uses "state_space.ML" "state_fun.ML"
begin
setup StateFun.setup
text {* For every type that is to be stored in a state space, an
instance of this locale is imported in order convert the abstract and
concrete values.*}
locale project_inject =
fixes project :: "'value \<Rightarrow> 'a"
and "inject":: "'a \<Rightarrow> 'value"
assumes project_inject_cancel [statefun_simp]: "project (inject x) = x"
lemma (in project_inject)
ex_project [statefun_simp]: "\<exists>v. project v = x"
apply (rule_tac x= "inject x" in exI)
apply (simp add: project_inject_cancel)
done
lemma (in project_inject)
project_inject_comp_id [statefun_simp]: "project \<circ> inject = id"
by (rule ext) (simp add: project_inject_cancel)
lemma (in project_inject)
project_inject_comp_cancel[statefun_simp]: "f \<circ> project \<circ> inject = f"
by (rule ext) (simp add: project_inject_cancel)
end