a) In the following statement, find the inverse, convers and contrapositive: (A positive integer is a prime only if it has no divisor other than 1 and itself.) Determine whether the following is True or False: b) Vx( "2x + 3x + 4"); Where the domain is the set of integers. c) Using the truth table determine whether the following proposition is a tautology: [(p v q) ^ (p r) ^r] q.