| author | paulson |
| Wed, 27 Jun 2007 12:41:36 +0200 | |
| changeset 23510 | 4521fead5609 |
| parent 23442 | 028e39e5e8f3 |
| child 39353 | 7f11d833d65b |
| permissions | -rw-r--r-- |
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23442
028e39e5e8f3
The Metis prover (slightly modified version from Larry);
wenzelm
parents:
diff
changeset
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(* ========================================================================= *) |
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028e39e5e8f3
The Metis prover (slightly modified version from Larry);
wenzelm
parents:
diff
changeset
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(* ORDERED TYPES *) |
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(* Copyright (c) 2004-2006 Joe Hurd, distributed under the BSD License *) |
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23442
028e39e5e8f3
The Metis prover (slightly modified version from Larry);
wenzelm
parents:
diff
changeset
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(* ========================================================================= *) |
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028e39e5e8f3
The Metis prover (slightly modified version from Larry);
wenzelm
parents:
diff
changeset
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028e39e5e8f3
The Metis prover (slightly modified version from Larry);
wenzelm
parents:
diff
changeset
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signature Ordered = |
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028e39e5e8f3
The Metis prover (slightly modified version from Larry);
wenzelm
parents:
diff
changeset
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sig |
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028e39e5e8f3
The Metis prover (slightly modified version from Larry);
wenzelm
parents:
diff
changeset
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028e39e5e8f3
The Metis prover (slightly modified version from Larry);
wenzelm
parents:
diff
changeset
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type t |
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028e39e5e8f3
The Metis prover (slightly modified version from Larry);
wenzelm
parents:
diff
changeset
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028e39e5e8f3
The Metis prover (slightly modified version from Larry);
wenzelm
parents:
diff
changeset
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val compare : t * t -> order |
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028e39e5e8f3
The Metis prover (slightly modified version from Larry);
wenzelm
parents:
diff
changeset
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028e39e5e8f3
The Metis prover (slightly modified version from Larry);
wenzelm
parents:
diff
changeset
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(* |
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028e39e5e8f3
The Metis prover (slightly modified version from Larry);
wenzelm
parents:
diff
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PROVIDES |
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028e39e5e8f3
The Metis prover (slightly modified version from Larry);
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parents:
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028e39e5e8f3
The Metis prover (slightly modified version from Larry);
wenzelm
parents:
diff
changeset
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!x : t. compare (x,x) = EQUAL |
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028e39e5e8f3
The Metis prover (slightly modified version from Larry);
wenzelm
parents:
diff
changeset
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028e39e5e8f3
The Metis prover (slightly modified version from Larry);
wenzelm
parents:
diff
changeset
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!x y : t. compare (x,y) = LESS <=> compare (y,x) = GREATER |
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028e39e5e8f3
The Metis prover (slightly modified version from Larry);
wenzelm
parents:
diff
changeset
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028e39e5e8f3
The Metis prover (slightly modified version from Larry);
wenzelm
parents:
diff
changeset
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!x y : t. compare (x,y) = EQUAL ==> compare (y,x) = EQUAL |
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028e39e5e8f3
The Metis prover (slightly modified version from Larry);
wenzelm
parents:
diff
changeset
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028e39e5e8f3
The Metis prover (slightly modified version from Larry);
wenzelm
parents:
diff
changeset
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!x y z : t. compare (x,y) = EQUAL ==> compare (x,z) = compare (y,z) |
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028e39e5e8f3
The Metis prover (slightly modified version from Larry);
wenzelm
parents:
diff
changeset
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028e39e5e8f3
The Metis prover (slightly modified version from Larry);
wenzelm
parents:
diff
changeset
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!x y z : t. |
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028e39e5e8f3
The Metis prover (slightly modified version from Larry);
wenzelm
parents:
diff
changeset
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compare (x,y) = LESS andalso compare (y,z) = LESS ==> |
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028e39e5e8f3
The Metis prover (slightly modified version from Larry);
wenzelm
parents:
diff
changeset
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compare (x,z) = LESS |
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028e39e5e8f3
The Metis prover (slightly modified version from Larry);
wenzelm
parents:
diff
changeset
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028e39e5e8f3
The Metis prover (slightly modified version from Larry);
wenzelm
parents:
diff
changeset
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!x y z : t. |
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028e39e5e8f3
The Metis prover (slightly modified version from Larry);
wenzelm
parents:
diff
changeset
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compare (x,y) = GREATER andalso compare (y,z) = GREATER ==> |
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028e39e5e8f3
The Metis prover (slightly modified version from Larry);
wenzelm
parents:
diff
changeset
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compare (x,z) = GREATER |
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028e39e5e8f3
The Metis prover (slightly modified version from Larry);
wenzelm
parents:
diff
changeset
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*) |
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028e39e5e8f3
The Metis prover (slightly modified version from Larry);
wenzelm
parents:
diff
changeset
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028e39e5e8f3
The Metis prover (slightly modified version from Larry);
wenzelm
parents:
diff
changeset
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end |