| author | paulson |
| Thu, 01 Oct 1998 18:30:05 +0200 | |
| changeset 5601 | b6456ccd9e3e |
| parent 5491 | 22f8331cdf47 |
| permissions | -rw-r--r-- |
| 5601 | 1 |
(* Title: HOL/ex/IntRingDefs.thy |
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ID: $Id$ |
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Author: Tobias Nipkow and Markus Wenzel |
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Copyright 1996 TU Muenchen |
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Provides the basic defs and thms for showing that int is a commutative ring. |
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Most of it has been defined and shown already. |
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*) |
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IntRingDefs = Main + Ring + |
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instance int :: zero |
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defs zero_int_def "zero::int == int 0" |
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end |