TRUE or FALSE? Remember you are judging the entire implication. All variables ar

Question

TRUE or FALSE? Remember you are judging the entire implication. All variables are natural numbers. (A) If x^2 = ?1 then y is brown. (B) If x, y, z are prime numbers then xyz is not prime. (C) If x, y, z are prime numbers then x + y + z is not prime. (D) If x + y is even then x and y are both even. (E) If x and y are both even, then x + y is even. (F) If xy is even, then both x and y are even. (G) If x and y are both even, then xy is even. (H) x + y and y are divisible by 17 if and only if x + y and x are divisible by 17. (I) x and y are both even if and only if 4|xy (J) x = y if and only if y|x and x|y.

Explanation / Answer

A) False...not sure... B)True C) True D) False E) True F) True G) True H) Ture I ) False j)true

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