author | clasohm |
Wed, 29 Nov 1995 16:44:59 +0100 | |
changeset 1370 | 7361ac9b024d |
parent 923 | ff1574a81019 |
child 1475 | 7f5a4cd08209 |
permissions | -rw-r--r-- |
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(* Title: HOL/gfp.thy |
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ID: $Id$ |
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Author: Lawrence C Paulson, Cambridge University Computer Laboratory |
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Copyright 1994 University of Cambridge |
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Greatest fixed points (requires Lfp too!) |
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*) |
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Gfp = Lfp + |
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7361ac9b024d
removed quotes from types in consts and syntax sections
clasohm
parents:
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diff
changeset
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consts gfp :: ['a set=>'a set] => 'a set |
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defs |
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(*greatest fixed point*) |
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gfp_def "gfp(f) == Union({u. u <= f(u)})" |
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end |