Question: 1,Suppose the statement ((p q) r) (r s) is false. Without using a truth table, determine the truth values for p, q, r, s. 2,Prove

1,Suppose the statement ((p q) r) (r s)

is false. Without using a truth table, determine the truth values for p, q, r, s.

2,Prove or disprove: (p q) (q p) is a tautology.

(please answer 2 questions in here)

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