| author | paulson |
| Wed, 08 Mar 2000 16:15:41 +0100 | |
| changeset 8354 | c02e3c131eca |
| parent 7334 | a90fc1e5fb19 |
| child 8856 | 435187ffc64e |
| permissions | -rw-r--r-- |
| 7292 | 1 |
(* Title: RealInt.thy |
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ID: $Id$ |
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Author: Jacques D. Fleuriot |
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Copyright: 1999 University of Edinburgh |
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Description: Embedding the integers in the reals |
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*) |
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RealInt = RealOrd + Int + |
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constdefs |
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real_of_int :: int => real |
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"real_of_int z == Abs_real(UN (i,j): Rep_Integ z. realrel ^^ |
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{(preal_of_prat(prat_of_pnat(pnat_of_nat i)),
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preal_of_prat(prat_of_pnat(pnat_of_nat j)))})" |
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end |