推 onlyeric23:有全有空可以取補? 02/04 18:19
→ onlyeric23:當我沒說= = 02/04 18:23
→ mqazz1:感覺我的回文變得很沒意義0.0 好心酸.. 02/04 18:28
→ onlyeric23:sry 腦充血orz 02/04 18:29
推 bbhands:要注意 principle of duality對"boolean ring"是成立的 02/04 18:29
T or F
The principle of duality holds for both Boolean algebras and rings.
答案是F
請問這句是甚麼意思??
The principle of duality又是甚麼碗糕??
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