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src/HOL/Real/RealInt.thy
author schirmer
Fri, 01 Nov 2002 13:16:28 +0100
changeset 13690 ac335b2f4a39
parent 10919 144ede948e58
child 14269 502a7c95de73
permissions -rw-r--r--
Inserted some extra paragraphs in large proofs to make tex run...

(*  Title:       RealInt.thy
    ID:         $Id$
    Author:      Jacques D. Fleuriot
    Copyright:   1999 University of Edinburgh
    Description: Embedding the integers in the reals
*)

RealInt = RealOrd +

defs 
  (*overloaded*)
  real_of_int_def
   "real z == Abs_REAL(UN (i,j): Rep_Integ z. realrel ``
		       {(preal_of_prat(prat_of_pnat(pnat_of_nat i)),
			 preal_of_prat(prat_of_pnat(pnat_of_nat j)))})"

end
isabelle