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src/HOL/HOLCF/IOA/Storage/Action.thy
author wenzelm
Mon, 20 May 2024 15:43:51 +0200
changeset 80182 29f2b8ff84f3
parent 67613 ce654b0e6d69
permissions -rw-r--r--
proper support for "isabelle update -D DIR": avoid accidental exclusion of select_dirs (amending e5dafe9e120f);

(*  Title:      HOL/HOLCF/IOA/Storage/Action.thy
    Author:     Olaf Müller
*)

section \<open>The set of all actions of the system\<close>

theory Action
imports Main
begin

datatype action = New | Loc nat | Free nat

lemma [cong]: "\<And>x. x = y \<Longrightarrow> case_action a b c x = case_action a b c y"
  by simp

end
isabelle