Suppose the domain of the following predicate logic propositions is {1, 2, 3}.
Express the following statements without the use of quantifiers-only conjunctions and negations.
a)
b)
1. Answer
(P(1) ^ P(2)) V (~P(1) V ~P(2) V ~P(3))
Explanation
(P(1) ^ P(2)): x != 3 which means it should be true for 1 and
2
(~P(1) V ~P(2) V ~P(3)): There is one x for which ~P(x)
2. Answer
(P(1) -> (Q(1, 1) ^ Q(1, 2) ^ Q(1, 3))) && (P(2) ->
(Q(2, 1) ^ Q(2, 2) ^ Q(2, 3))) ^ (P(3) -> (Q(3, 1) ^ Q(3, 2) ^
Q(3, 3)))
Explanation
For all values of x = 1, 2, 3 and y = 1, 2, 3
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