4. Let G1 and G2 be groups and let f: G1 +G2 be an isomorphism. Suppose that G1 is abelian. Using the definition of an i
Posted: Wed May 11, 2022 10:57 pm
4. Let G1 and G2 be groups and let f: G1 +G2 be an isomorphism. Suppose that G1 is abelian. Using the definition of an isomorphism, prove that G2 must be abelian as well.