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counterexample
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The answer COUNTEREXAMPLE has 4 possible clue(s) in existing crosswords.
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The word COUNTEREXAMPLE is VALID in some board games. Check COUNTEREXAMPLE in word games in Scrabble, Words With Friends, see scores, anagrams etc.
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Definitions of counterexample in various dictionaries:
noun - refutation by example
An example that refutes or disproves a hypothesis, proposition, or theorem.
COUNTEREXAMPLE - In logic, and especially in its applications to mathematics and philosophy, a counterexample is an exception to a proposed general rule or law. For e...
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Keep reading for additional results and analysis below.
| Last Seen in these Crosswords & Puzzles |
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| Aug 17 2014 The Telegraph - Cryptic |
| Oct 6 2012 The Times - Concise |
| Dec 18 2010 The Times - Cryptic |
| Dec 4 2004 The Times - Cryptic |
| Possible Dictionary Clues |
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| An example that refutes or disproves a hypothesis, proposition, or theorem. |
| refutation by example |
| An example that opposes or contradicts an idea or theory. |
| Counterexample description |
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In logic, and especially in its applications to mathematics and philosophy, a counterexample is an exception to a proposed general rule or law. For example, consider the proposition "all students are lazy". * Because this statement makes the claim that a certain property (laziness) holds for all students, even a single example of a diligent student will prove it false. * Thus, any hard-working student is a counterexample to "all students are lazy". * More precisely, a counterexample is a specific instance of the falsity of a universal quantification (a "for all" statement). * In mathematics, this term is (by a slight abuse) also sometimes used for examples illustrating the necessity of the full hypothesis of a theorem, by considering a case where a part of the hypothesis is not verified, and where one can show that the conclusion does not hold. |