author | wenzelm |
Sun, 30 Jan 2011 13:02:18 +0100 | |
changeset 41648 | 6d736d983d5c |
parent 35849 | b5522b51cb1e |
permissions | -rw-r--r-- |
35849 | 1 |
(* Author: Clemens Ballarin, started 15 November 1997 |
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Properties of abstract class field. |
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*) |
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theory Field |
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imports Factor PID |
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begin |
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instance field < "domain" |
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apply intro_classes |
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apply (rule field_one_not_zero) |
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apply (erule field_integral) |
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done |
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instance field < factorial |
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apply intro_classes |
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apply (erule field_fact_prime) |
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done |
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end |