Question: 1. Negate the statement 3:1: 6 S,'v'y E T, (A (:3) => B (x,y)). Hint: use the truth table to properly negate p => q.

1. Negate the statement 3:1: 6 S,'v'y E T, (A (:3) => B (x,y)). Hint: use the truth table to properly negate p => q. 2. Determine if (p => (q V 7")) V ((q V 7') => p) is a tautology, a contradiction or neither. Hint: introduce a new variable 3 = q V 'r. 3. Prove that an integer is odd if and only if it can be written as the sum of two consecutive integers

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