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src/HOL/Lex/RegSet.thy
author wenzelm
Sun, 31 Oct 1999 20:11:23 +0100
changeset 7990 0a604b2fc2b1
parent 4832 bc11b5b06f87
child 8732 aef229ca5e77
permissions -rw-r--r--
updated;

(*  Title:      HOL/Lex/RegSet.thy
    ID:         $Id$
    Author:     Tobias Nipkow
    Copyright   1998 TUM

Regular sets
*)

RegSet = List +

constdefs
 conc :: 'a list set => 'a list set => 'a list set
"conc A B == {xs@ys | xs ys. xs:A & ys:B}"

consts star :: 'a list set => 'a list set
inductive "star A"
intrs
  NilI   "[] : star A"
  ConsI  "[| a:A; as : star A |] ==> a@as : star A"

end
isabelle