【开浩一分钟¹】19.鸡三足 episode artwork

EPISODE · Aug 13, 2016 · 1 MIN

【开浩一分钟¹】19.鸡三足

from 开浩御书房 · host 开浩御书房

今天开浩说一个烧脑的话题,鸡三足,这个诡辩的命题是由战国时期的学者公孙龙提出的,说实话这个概念对你生活没有具体的指导,但是动一下脑子,还是很好的。这个论题是这样的,指着鸡的左爪问你的朋友,这是不是鸡爪,对方一定会说是,指着鸡的右爪问你的朋友,这是不是鸡爪,对方一定也会说是,同时指着两只鸡爪问你的朋友这是不是鸡爪,对方依然也会说是,那么结论就比较奇葩,因为指了三次鸡爪并发出三次设问,而三次所指并没有重复,而且对方给予三次肯定回答,那么在逻辑上来说,鸡有三只爪这个命题成立,但是现实却不是这样的,那么你要怎么理解鸡三足的错误之处呢?虽然三次所指没有重复,但是三次所指是有包含关系的,所以三次包含不能分别单独计数,也就是说,虽然所指三次没有错,但不等于鸡有三只爪,今天说的是鸡三足,你学会了么?

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【开浩一分钟¹】19.鸡三足

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