Prove that if {π1, π2, . . . , ππ
} is a basis for a vector space V and π1, π2, . . . , ππ are vectors
in a vector space W, not necessarily distinct, then there exists a linear transformation
π βΆ π β π such that
π(π1
) = π1 , π(π2
) = π2 , . . ., π(ππ
) = ππ .