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Хобби и развлеченияAha! Gotcha: Paradoxes to Puzzle and Delight

Aha! Gotcha: Paradoxes to Puzzle and Delight
Название: Aha! Gotcha: Paradoxes to Puzzle and Delight
Автор: Martin Gardner
Издательство: W H Freeman & Co
Год: 1982
Количество страниц: 164
Язык: English
Формат: DJVU
Размер: 2МБ
ISBN: 0716713616

This is an ageless book for the people who love to think and do it well. A paradox is a situation where a supposedly valid chain of reasoning is performed and yet you end up with a conclusion that cannot be true. In many cases, the paradox is due to imprecise definitions of words or statements that are so broad in scope that they refer to themselves. For example, when a Cretan says, "All Cretans are liars." The scope of the sentence is so broad that it includes the sentence itself. Therefore, if the statement is true, the person saying it must be lying and if the statement is false, then the Cretan is telling the truth, which means that according to the statement he must be lying.

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