Question: The set subtraction law (or set difference) states that AB=AB (also written as AB=AB ). Prove or disprove the following set identities: (a) A(BA)= (b)

The set subtraction law (or set difference) states that AB=AB (also written as A\B=AB ). Prove or disprove the following set identities: (a) A(BA)= (b) A(AB)=AB (c) (BA)A=A

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