Step 1 – Restate in your own words: We must show that for any two elements in the image, say x and y in f(G), we have xy = yx.
Therefore, f(ab) = f(ba). Hence f(a)f(b) = f(b)f(a), so xy = yx. a book of abstract algebra pinter solutions better
Pinter writes as if he is speaking to you. He uses second-person narrative. He anticipates your confusion. He tells you why a definition is chosen before he states it. Step 1 – Restate in your own words:
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