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If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, withing 24 hours on weekdays.
Customer service
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This text is designed for instructors who want a complete set of rules for first order predicate (Quantifier) logic, with identity, and a good range of other material. The authors approach through all of the editions has made this text the easiest for students to learn from among modern symbolic texts.
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