剛才看到一個邏輯問題 all roses are flowers some flowers fade quickly therefore some roses fade quickly TRUE OR FALSE 為了給想思考的人一點樂趣 容許我我把答案防雷到第二頁 False 但我有點不太明白,因為解答是英文的 避開語言上的問題 我想了一下,如果用集合圓形來想 http://ppt.cc/3EnG 是不是裡面兩個圓沒有交集 所以此命題false? -- ※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 220.137.112.120※ 文章網址: http://www.ptt.cc/bbs/ask/M.1411400712.A.448.html
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