作者nice11 (堅強)
看板teaching
標題[問題] 中學 資優生 邏輯推理
時間Sat Apr 8 22:09:14 2006
請問下列兩個邏輯問題的翻譯及解答(哪一個才成立?)
謝謝
Compare the following arguments:
1. All squares are polygons.
All triangles are polygons.
Therefore, some triangles are squares.
2. All polygons have sides.
All squares are polygons.
Therefore, all squares have sides.
謝謝
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