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доказательство от противного (In logic, proof by contradiction is a form of proof that establishes the truth or validity of a proposition by showing that the proposition's being false would imply a contradiction. Proof by contradiction is also known as indirect proof, apagogical argument, reductio ad impossibile.  wikipedia.org); доказательство от обратного | |||
| доказательство методом "от противного" (ssn) | |||
| доказательство от противного | |||
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proof by contradiction : 1 phrases, 1 sujets |
| Mathématiques | 1 |