3. Let G1 and G2 be groups and let f: G1 + G2 be an isomorphism. Let Hį be a subgroup of G1. Prove that H2 = {f(h)|he Hi
Posted: Wed May 11, 2022 10:56 pm
3. Let G1 and G2 be groups and let f: G1 + G2 be an isomorphism. Let Hį be a subgroup of G1. Prove that H2 = {f(h)|he Hi} is a subgroup of G2. =