(* Title: RealInt.thy ID: $Id: RealInt.thy,v 1.2 1999/08/24 09:54:18 wenzelm Exp $ Author: Jacques D. Fleuriot Copyright: 1999 University of Edinburgh Description: Embedding the integers in the reals *) RealInt = RealOrd + Int + constdefs real_of_int :: int => real "real_of_int 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