Prove the following statements. (i) Let f: A B and g: B-C be two functions, If...
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Prove the following statements. (i) Let f: A B and g: B-C be two functions, If g of is onto, then g is onto. (ii) Let A, B, and C be three sets, then An (B-C)=(ANB)-(ANC). (iii) (AUB)-B=A-(ANB). Prove the following statements. (i) Let f: A B and g: B-C be two functions, If g of is onto, then g is onto. (ii) Let A, B, and C be three sets, then An (B-C)=(ANB)-(ANC). (iii) (AUB)-B=A-(ANB).
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