src/HOL/HOLCF/IOA/Storage/Action.thy
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(*  Title:      HOLCF/IOA/ABP/Action.thy
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    Author:     Olaf Müller
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*)
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header {* The set of all actions of the system *}
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theory Action
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imports Main
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begin
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datatype action = New  | Loc nat | Free nat
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lemma [cong]: "!!x. x = y ==> action_case a b c x = action_case a b c y"
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  by simp
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end