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Contraposition - Wikipedia, the free encyclopedia
In propositional logic, contraposition is a logical relationship between two propositions of material implication. A proposition Q (e.g. "Socrates is human") is materially implicated by a proposit...
en.wikipedia.org/wiki/Contraposition |
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(2) If a number is even then it is divisible by two. Here is a quick definition of "converse," "inverse," and "contrapositive:" ... contrapositive: if not q then not p...
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Proof by contrapositive takes advantage of the logical equivalence between "P implies Q" and "Not Q implies Not P". For example, the assertion "If it is my car, then it is red" is equivalent to "If that car is not red, then it is not mine".
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For example, the contrapositive of "If it is raining then the grass is wet" is "If the grass is not wet then it is not raining." ... Note: As in the example, the contrapositive of any true proposition is also true.
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posted by Contrapositive @ 10:45 PM |. A WORTHY CAUSE More of this, please. .... CONTRAPOSITIVE is edited by Dan Aibel. Dan's a playwright. ...
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An implication and its contrapositive are equivalent statements. When proving a theorem, it is often more convenient or more intuitive to prove the contrapositive instead. ... This is version 5 of contrapositive, born on 2001-11-16, modified 2005-04-11. Object id is 891, canonical name is Contrapostive.
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Beginning with the January 1, 2009 entry, Jeff Duntemann's ContraPositive Diary has been rehosted under its own domain name, on the WordPress platform. Please change your bookmarks to the following URL:
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Some Good Juju and Some Bad Juju ... Bad juju first: When I woke up this morning it was 0, and we had six inches of new snow on the ground. Carol had a physical scheduled for 10:00, so we were out the door extra early, slithering (even in 4WD) in a winter wonderland. ... We got there and back intact, but it was snowing again...
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Contrapositive is a new media company setup in 2000 focused on creative and innovative uses of technology, spanning design for print, web / web application design and video production.
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Contrapositive - Definition of Contrapositive at Dictionary.com a free online dictionary with pronunciation, synonyms, and translation of Contrapositive. Look it up now! ... Use contrapositive in a Sentence...
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