Answer:
B
Step-by-step explanation:
Denote the propositional function “x>5” by p(x). ... Determine the truth values of these statements, where q(x,y) is defined in Example 2.6.2. q(5,−7); q(−6 ... We have to use mathematical and logical argument to prove a statement of the form “∀xp(x).” ... Negate the propositions in Hands-On Exercise 2.6.3