| author | regensbu |
| Thu, 29 Jun 1995 16:28:40 +0200 | |
| changeset 1168 | 74be52691d62 |
| parent 442 | 13ac1fd0a14d |
| child 1479 | 21eb5e156d91 |
| permissions | -rw-r--r-- |
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(* Title: HOLCF/fun2.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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Class Instance =>::(term,po)po |
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Definiton of least element |
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*) |
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Fun2 = Fun1 + |
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(* default class is still term !*) |
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(* Witness for the above arity axiom is fun1.ML *) |
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arities fun :: (term,po)po |
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consts |
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UU_fun :: "'a::term => 'b::pcpo" |
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rules |
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(* instance of << for type ['a::term => 'b::po] *) |
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inst_fun_po "((op <<)::['a=>'b::po,'a=>'b::po ]=>bool) = less_fun" |
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defs |
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(* The least element in type 'a::term => 'b::pcpo *) |
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UU_fun_def "UU_fun == (% x.UU)" |
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end |
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