For the set S = {1, 2, 3}, give an example of three open sentences P(n), Q(n) and R(n)
Chapter 2, Problem 2.95(choose chapter or problem)
For the set S = {1, 2, 3}, give an example of three open sentences P(n), Q(n) and R(n), each over thedomain S, such that (1) each of P(n), Q(n) and R(n) is a true statement for exactly two elements of S,(2) all of the implications P(1) Q(1), Q(2) R(2) and R(3) P(3) are true, and (3) the converse ofeach implication in (2) is false.
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