| author | nipkow |
| Mon, 06 Sep 2004 17:37:35 +0200 | |
| changeset 15184 | d2c19aea17bc |
| parent 14981 | e73f8140af78 |
| child 15555 | 9d4dbd18ff2d |
| 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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1 |
(* Title: HOLCF/Discrete.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 |
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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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4 |
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| 12030 | 5 |
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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6 |
*) |
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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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7 |
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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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8 |
Discrete = Discrete1 + |
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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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9 |
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12338
de0f4a63baa5
renamed class "term" to "type" (actually "HOL.type");
wenzelm
parents:
12030
diff
changeset
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10 |
instance discr :: (type)cpo (discr_cpo) |
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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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11 |
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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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12 |
constdefs |
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12338
de0f4a63baa5
renamed class "term" to "type" (actually "HOL.type");
wenzelm
parents:
12030
diff
changeset
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undiscr :: ('a::type)discr => 'a
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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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14 |
"undiscr x == (case x of Discr y => y)" |
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c2508f4ab739
Added "discrete" CPOs and modified IMP to use those rather than "lift"
nipkow
parents:
diff
changeset
|
15 |
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c2508f4ab739
Added "discrete" CPOs and modified IMP to use those rather than "lift"
nipkow
parents:
diff
changeset
|
16 |
end |