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