→ P568912:我也覺得是false耶 02/03 12:07
推 sky12999:False f: G->H f要one-to-one & onto 才是isomporphism 02/03 12:08
推 johney719:樓上正解 02/03 13:58
第12題選項D
suppose that (G,@) and (H,#) are two groups. A mapping f:G->H
is a group isomorphism, if f(a@b)=f(a)#f(b) for all a, b belongs to G
爬文看到的答案是Truth
但根據定義應該只能說是homomorphism吧
因為對於f沒有任何相關的定義
所以小的認為答案應為false
請各位先進解答一下謝謝QQ
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