| author | Manuel Eberl <eberlm@in.tum.de> |
| Mon, 02 Dec 2019 17:51:54 +0100 | |
| changeset 71201 | 6617fb368a06 |
| parent 69913 | ca515cf61651 |
| permissions | -rw-r--r-- |
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(* Title: HOL/Statespace/StateSpaceLocale.thy |
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Author: Norbert Schirmer, TU Muenchen |
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*) |
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section \<open>Setup for State Space Locales \label{sec:StateSpaceLocale}\<close>
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theory StateSpaceLocale imports StateFun |
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keywords "statespace" :: thy_defn |
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begin |
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ML_file \<open>state_space.ML\<close> |
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ML_file \<open>state_fun.ML\<close> |
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text \<open>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.\<close> |
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29247
95d3a82857e5
adapted statespace module to new locales;
Norbert Schirmer <norbert.schirmer@web.de>
parents:
29235
diff
changeset
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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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begin |
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lemma ex_project [statefun_simp]: "\<exists>v. project v = x" |
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proof |
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show "project (inject x) = x" |
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by (rule project_inject_cancel) |
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qed |
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lemma 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 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 |
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end |