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Introduction to Logic (15th Edition) is a premier textbook designed for introductory logic courses. Originally written by Irving M. Copi, this latest edition is updated by Carl Cohen and Victor Rodych to improve clarity for both students and…

This new All-in-One Exam Guide covers every topic on the current version of Cisco’s CCT and CCNA exams

Take the 2020 versions of the Cisco Certified Technician (CCT) and Cisco Certified Network Associate (CCNA) exams with complete confidence using…