| author | streckem |
| Fri, 08 Aug 2003 14:54:37 +0200 | |
| changeset 14141 | d3916d9183d2 |
| parent 12030 | 46d57d0290a2 |
| child 14981 | e73f8140af78 |
| permissions | -rw-r--r-- |
| 1479 | 1 |
(* Title: HOLCF/sprod3.thy |
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ID: $Id$ |
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Author: Franz Regensburger |
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License: GPL (GNU GENERAL PUBLIC LICENSE) |
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Class instance of ** for class pcpo |
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*) |
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Sprod3 = Sprod2 + |
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instance "**" :: (pcpo,pcpo)pcpo (least_sprod,cpo_sprod) |
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----------------------------------------------------------------------
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consts |
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spair :: "'a -> 'b -> ('a**'b)" (* continuous strict pairing *)
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sfst :: "('a**'b)->'a"
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ssnd :: "('a**'b)->'b"
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ssplit :: "('a->'b->'c)->('a**'b)->'c"
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syntax |
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"@stuple" :: "['a, args] => 'a ** 'b" ("(1'(:_,/ _:'))")
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----------------------------------------------------------------------
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translations |
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"(:x, y, z:)" == "(:x, (:y, z:):)" |
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"(:x, y:)" == "spair$x$y" |
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defs |
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spair_def "spair == (LAM x y. Ispair x y)" |
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sfst_def "sfst == (LAM p. Isfst p)" |
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ssnd_def "ssnd == (LAM p. Issnd p)" |
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ssplit_def "ssplit == (LAM f. strictify$(LAM p. f$(sfst$p)$(ssnd$p)))" |
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end |