他发觉她论据中的推理谬误。
谬误的推理在争论中驳倒他人非常有效，而且当只关注支持己方观点的论据，而无视不利己方观点的论据时，这种推理尤其有效。
Fallacious reasoning, especially reasoning that focuses on what supports our views and ignores what counts against them, is very effective for the purpose of winning arguments with other people.
由于在推理的过程中不知类、不明故或不知止，就会产生各种实质性谬误。
Ancient logic scholars analysed the different fallacy forms as well as causes for such factual fallacies.
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