For all sets A&B, prove that: A-(B-C)=(A-B)-C

Dear student,

Kindly find the answer to your query:
Taking LHS, xA-B-CxA and x B-CxA and xB and xCxA-Band xCxA-B-CIn same way you can proceed from RHSto LHS. SO xA-B-Cwith both the result A-B-C=A-B-C

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