Find the truth set of each predicate. (If your ans 8 (a) Predicate: is an integer, domain: Z d (b) Predicate: 8 alo d is an integer, domain: Z+ (c) Predicate: 1 ≤ x² s 9, domain: R (d) Predicate: 1 ≤ x² s 9, domain: Z

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