What are the truth sets of the predicates P(x), Q(x), and R(x), where the domain is...

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What are the truth sets of the predicates P(x), Q(x), and R(x), where the domain is the set of integers and P(x)is "|x|=1," Q(x) is "x2 =2," and R(x) is "|x|=x." What are the truth sets of the predicates P(x), Q(x), and R(x), where the domain is the set of integers and P(x)is "|x|=1," Q(x) is "x2 =2," and R(x) is "|x|=x."