Let G, G1, and G2 be groups. Let µ1 : G -> G1 and µ2 : G -> G2 be group homomorphisms. Prove that
µ : G -> G1 × G2 defined by :
µ (x) = (µ1 (x), µ2 (x)), for all x in G,
is a well-defined group homomorphism.
Please see attached file.
Given a, b ...
This is a proof regarding group homomorphisms.