author | paulson |
Wed, 23 Apr 1997 11:00:48 +0200 | |
changeset 3017 | 84c2178db936 |
parent 2640 | ee4dfce170a0 |
child 3326 | 930c9bed5a09 |
permissions | -rw-r--r-- |
2640 | 1 |
(* Title: HOLCF/Pcpo.thy |
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ID: $Id$ |
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Author: Franz Regensburger |
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Copyright 1993 Technische Universitaet Muenchen |
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introduction of the classes cpo and pcpo |
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*) |
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Pcpo = Porder + |
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(* The class cpo of chain complete partial orders *) |
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(* ********************************************** *) |
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axclass cpo < po |
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(* class axiom: *) |
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cpo "is_chain S ==> ? x. range(S) <<| (x::'a::po)" |
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(* The class pcpo of pointed cpos *) |
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(* ****************************** *) |
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axclass pcpo < cpo |
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least "? x.!y.x<<y" |
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parents:
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consts |
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UU :: "'a::pcpo" |
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syntax (symbols) |
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UU :: "'a::pcpo" ("\\<bottom>") |
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defs |
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UU_def "UU == @x.!y.x<<y" |
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
nipkow
parents:
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
nipkow
parents:
diff
changeset
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end |