equality of A & B

zendani

If A U B = A and A n B = A
can we say A = B ?

1: A U B = A => B C A => B n A = B
2: A n B = A => A C B => A U B = B

1,2 => A=B

micromass

Yes, that is correct.

zendani

Thanks Micromass

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zendani	equality of A & B Tweet If A U B = A and A n B = A can we say A = B ? 1: A U B = A => B C A => B n A = B 2: A n B = A => A C B => A U B = B 1,2 => A=B

micromass Blog Entries: 8 Recognitions: Gold Member Science Advisor Staff Emeritus	Yes, that is correct.