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[請問] 邏輯問題 all roses are flowers.some
Sep 22nd 2014, 23:45, by s0857168

作者s0857168 (Rock&Roll)

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標題[請問] 邏輯問題 all roses are flowers.some

時間Mon Sep 22 23:45:08 2014

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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