| author | paulson |
| Fri, 12 Jul 2002 11:24:40 +0200 | |
| changeset 13352 | 3cd767f8d78b |
| parent 11609 | 3f3d1add4d94 |
| child 14169 | 0590de71a016 |
| permissions | -rw-r--r-- |
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(* Title: HOL/Lfp.thy |
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ID: $Id$ |
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Author: Lawrence C Paulson, Cambridge University Computer Laboratory |
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Copyright 1992 University of Cambridge |
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The Knaster-Tarski Theorem |
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*) |
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eliminated theories "equalities" and "mono" (made part of "Typedef",
wenzelm
parents:
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Lfp = Product_Type + |
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constdefs |
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lfp :: ['a set=>'a set] => 'a set |
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"lfp(f) == Inter({u. f(u) <= u})" (*least fixed point*)
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end |