# Question: Prove parts b and c of Theorem 1 4 1 In Theorem 1 4 1 b

Prove parts (b) and (c) of Theorem 1.4-1.

In Theorem 1.4-1

(b) A’ and B;

(c) A’ and B’.

In Theorem 1.4-1

(b) A’ and B;

(c) A’ and B’.

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