| author | wenzelm |
| Fri, 19 Jul 2002 18:44:37 +0200 | |
| changeset 13401 | ea1b3afb147e |
| parent 12338 | de0f4a63baa5 |
| child 14981 | e73f8140af78 |
| permissions | -rw-r--r-- |
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2841
c2508f4ab739
Added "discrete" CPOs and modified IMP to use those rather than "lift"
nipkow
parents:
diff
changeset
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(* Title: HOLCF/Discrete0.thy |
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c2508f4ab739
Added "discrete" CPOs and modified IMP to use those rather than "lift"
nipkow
parents:
diff
changeset
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ID: $Id$ |
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c2508f4ab739
Added "discrete" CPOs and modified IMP to use those rather than "lift"
nipkow
parents:
diff
changeset
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Author: Tobias Nipkow |
| 12030 | 4 |
License: GPL (GNU GENERAL PUBLIC LICENSE) |
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2841
c2508f4ab739
Added "discrete" CPOs and modified IMP to use those rather than "lift"
nipkow
parents:
diff
changeset
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5 |
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| 12030 | 6 |
Discrete CPOs. |
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2841
c2508f4ab739
Added "discrete" CPOs and modified IMP to use those rather than "lift"
nipkow
parents:
diff
changeset
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*) |
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c2508f4ab739
Added "discrete" CPOs and modified IMP to use those rather than "lift"
nipkow
parents:
diff
changeset
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| 5192 | 9 |
Discrete0 = Cont + Datatype + |
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2841
c2508f4ab739
Added "discrete" CPOs and modified IMP to use those rather than "lift"
nipkow
parents:
diff
changeset
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12338
de0f4a63baa5
renamed class "term" to "type" (actually "HOL.type");
wenzelm
parents:
12030
diff
changeset
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datatype 'a discr = Discr "'a :: type" |
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2841
c2508f4ab739
Added "discrete" CPOs and modified IMP to use those rather than "lift"
nipkow
parents:
diff
changeset
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12 |
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12338
de0f4a63baa5
renamed class "term" to "type" (actually "HOL.type");
wenzelm
parents:
12030
diff
changeset
|
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instance discr :: (type) sq_ord |
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3323
194ae2e0c193
eliminated the constant less by the introduction of the axclass sq_ord
slotosch
parents:
2841
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2841
c2508f4ab739
Added "discrete" CPOs and modified IMP to use those rather than "lift"
nipkow
parents:
diff
changeset
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defs |
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12338
de0f4a63baa5
renamed class "term" to "type" (actually "HOL.type");
wenzelm
parents:
12030
diff
changeset
|
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less_discr_def "((op <<)::('a::type)discr=>'a discr=>bool) == op ="
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2841
c2508f4ab739
Added "discrete" CPOs and modified IMP to use those rather than "lift"
nipkow
parents:
diff
changeset
|
17 |
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c2508f4ab739
Added "discrete" CPOs and modified IMP to use those rather than "lift"
nipkow
parents:
diff
changeset
|
18 |
end |