Q)
(chatquestion)...tunalima
11) If A, B, and C are any three sets, then show that,
(a) (B - A)U(C-A) = (BUC)-A,
(b) (A-B)-(B -C) = A-B
(c) P(A) P(B) ACB
(d) AA(BAC) = (AAB)AC
11. Determine whether each of the following arguments is valid or not:
(a) If the moon is made of bananas, then there are monkeys on the moon. The moon is
not made of bananas. Therefore, there are no monkeys on the moon.
(b) A sufficient condition for this year to be 2020 is that last year was 2019. This year
is 2020. Therefore last year was 2019.
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