src/HOL/Lex/RegSet.thy
author nipkow
Mon, 27 Apr 1998 16:46:56 +0200
changeset 4832 bc11b5b06f87
child 8732 aef229ca5e77
permissions -rw-r--r--
Added conversion of reg.expr. to automata. Renamed expand_const -> split_const.
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(*  Title:      HOL/Lex/RegSet.thy
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    ID:         $Id$
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    Author:     Tobias Nipkow
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    Copyright   1998 TUM
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Regular sets
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*)
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RegSet = List +
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constdefs
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 conc :: 'a list set => 'a list set => 'a list set
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"conc A B == {xs@ys | xs ys. xs:A & ys:B}"
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consts star :: 'a list set => 'a list set
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inductive "star A"
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intrs
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  NilI   "[] : star A"
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  ConsI  "[| a:A; as : star A |] ==> a@as : star A"
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end