{lang: 'ja'} ラッセル英単語:F44 ( fallacy 誤り) - Bertrand Russell のページ
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★ fallacy (n)【誤った考え,誤信;誤った推論;(論理学)虚偽;論理(推論)上の誤り】

* fallacious (adj.):誤った推論に基づく,誤った;人を惑わす;ごまかしの
I have to express a collective obligation to those, both Professors and pupils, who, by detailed friendly criticism, helped (I hope) in the avoidance of errors and fallacies.

But I discovered that many mathematical demonstrations, which my teachers expected me to accept, were full of fallacies, and that, if certainty were indeed discoverable in mathematics, it would be in a new kind of mathematics, with more solid foundations than those that had hitherto been thought secure.
[しかし,教師が私に受け入れることを期待した多くの数学的証明(mathematical demonstrations)は間違いだらけであり,'確実性'が本当に数学の中にあるとしたら,これまで確実だと考えられてきた基礎よりも,もっと確固たる基礎の上にある新しい種類の数学の中にある,ということを発見した。

There is a wholly fallacious theory advanced by some earnest moralists to the effect that it is possible to resist desire in the interests of duty and moral principle. I say this is fallacious, not because no man ever acts from a sense of duty, but because duty has no hold on him unless he desires to be dutiful.
 出典:ラッセル政治的に重要な欲求 −ノーベル文学賞受賞記念講演」]

It's a common fallacy that every doctor is rich.

One notorious example of illogical judgment of probability is the "gambler's fallacy".
 出典:『新版完全征服 データベース5500 合格 英単語・熟語』p.205]

It's a popular fallacy that success always brings happiness.
[ 出典:Longman Dictionary of Contemporary English, new ed.]