College Or Computation Science Department Of Mathematics Worksheet for first year Pre-Natural Science students 1. Which of the following sentences are propositions? For those that are indicate the truth value. 123 is a prime number. b. O is an even number.» x² - 4 = 0. d. Multiply 5x + 2 by 3. For statements p q and r, use a truth table to show that each of the following pairs of statements logically equivalent. (p19) ep and pq. b. p(qVr) and (p Vr). (pvqr and ( pq)^( ar). d. p(qVr) and (-1) (p q). p(qVr) and (Grap) q. 3. For statements p, q, and r, show that the following compound statements are tautology. 2.​