src/HOL/AxClasses/Lattice/OrdInsts.thy
author wenzelm
Tue, 30 May 2000 16:08:38 +0200
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(*  Title:      OrdInsts.thy
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    ID:         $Id$
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    Author:     Markus Wenzel, TU Muenchen
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Some order instantiations.
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*)
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OrdInsts = OrdDefs +
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(* binary / general products of quasi_orders / orders *)
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instance
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  "*" :: (quasi_order, quasi_order) quasi_order         (le_prod_refl, le_prod_trans)
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instance
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  "*" :: (partial_order, partial_order) partial_order   (le_prod_antisym)
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instance
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  fun :: (term, quasi_order) quasi_order                (le_fun_refl, le_fun_trans)
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instance
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  fun :: (term, partial_order) partial_order            (le_fun_antisym)
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(* duals of quasi orders / partial orders / linear orders *)
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instance
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  dual :: (quasi_order) quasi_order                     (le_dual_refl, le_dual_trans)
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instance
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  dual :: (partial_order) partial_order                 (le_dual_antisym)
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(*FIXME: had to be moved to LatInsts.thy due to some unpleasant
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  'feature' in Pure/type.ML
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instance
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  dual :: (linear_order) linear_order                   (le_dual_lin)
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*)
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end