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src/HOL/Algebra/abstract/PID.thy
author wenzelm
Fri, 21 May 2004 21:15:10 +0200
changeset 14767 d2b071e65e4c
parent 7998 3d0c34795831
child 17479 68a7acb5f22e
permissions -rw-r--r--
tuned document;

(*
    Principle ideal domains
    $Id$
    Author: Clemens Ballarin, started 5 October 1999
*)

PID = Ideal +

instance
  pid < factorial	(TrueI, pid_irred_imp_prime)

end
isabelle