1.

On the power set P of a non empty set A we define an operation △ by X△ Y=(X'∩ Y)∪(X∩ Y') Then which are of the following statements is true about △ A. commutative and associative without an identity B.commutative but not associative with an identity C. associative but not commutative without an identity D.associative and commutative with an identity

Answer» On the power set P of a non empty set A we define an operation △ by X△ Y=(X'∩ Y)∪(X∩ Y') Then which are of the following statements is true about △ A. commutative and associative without an identity B.commutative but not associative with an identity C. associative but not commutative without an identity D.associative and commutative with an identity


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