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if B is a subset of… - QuestionCove
OpenStudy (anonymous):

if B is a subset of A, then A=B u (A n B')

4 years ago
OpenStudy (anonymous):

I have to show the above

4 years ago
OpenStudy (anonymous):

B is subset of A means every B belongs to A also. B' means which are not belongs to B. So B' means universal set - B. B'nA means those belongs to A but not belongs to B. BU(B'nA) means B + elements belogns to A but not belongs to B. => we get A.

4 years ago
OpenStudy (anonymous):

we can easily prove by ven diagrams also.

4 years ago
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