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俄国著名文学家赫尔岑一次参加宴会时,被轻佻的音乐腻烦得捂住了耳朵。主人向他解释说:“演凑的都是流行歌曲呀!”赫尔岑反问:“流行的就高尚?”主人自信地回答:“当然。”赫尔岑又反问:“那么流行性感冒该是高尚的感冒了!”主人语塞窘极。正如“金子都闪光,而闪光的并非都是金子”的道理一样,赫尔岑正是运用了充分假言的推理进行反问,才能使对方无言以辩。生活中这样的例子不胜枚举,它生动地说明:逻辑源本来自生活,是一门实践性很强的科学。生活不仅产生了逻辑学,也是孕育一切
When Herzen, a famous Russian writer, attended the party once, he was overwhelmed by the frivolous music. The owner explained to him: “All the bluffs are pop songs!” Herzen asked: “Is it prevalent?” The owner replied confidently: “Of course.” Herzen asked again: “So the flu It’s a noble cold! ” Just as the truth of “gold is flashing, but not flashing gold”, Herzen was using the reasoning of sufficient hypotheses to ask questions in order to make the other side speechless. There are so many examples in life that vividly illustrates that the logic source is from life and is a highly practical science. Life produces not only logic but also everything