| author | clasohm |
| Mon, 19 Feb 1996 13:54:15 +0100 | |
| changeset 1514 | 3e262b1c0b6c |
| parent 1475 | 7f5a4cd08209 |
| child 1558 | 9c6ebfab4e05 |
| permissions | -rw-r--r-- |
| 1475 | 1 |
(* 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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1370
7361ac9b024d
removed quotes from types in consts and syntax sections
clasohm
parents:
923
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 |