Part (c) [30 points). Evaluate each of the following formulas to TRUE or FALSE, and explain your reasoning for arriving at your result. N is the set of non-negative integers: {0,1,2, 3,...}. It is the set of positive integers: {1,2,3,...}. I is the set of all integers, including the negatives. (a) Vi EN:VjEI:2 + j2 > 0 (b) 3; EI:VieIt:ij=-i (c) -(Ei eIt:-(i? > i)) (d) -(Hi EI:i? 0)> ) (f) Vi EI:Vje I:Ike I:i=j+k