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Introduccion a la logica Introduction to Logic Spanish Edition, Irving M. Copi, Carl Cohen. (Paperback 6070503252)
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Introduction to Logic (14th Edition) (New International Edition) (2016) ~ by Irving M. Copi, Carl Cohen, and Kenneth McMahon - Eborn Books
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Introduction to Logic: 0001292024828: Copi, Irving M., Cohen, Carl, McMahon, Kenneth: Books - Amazon.com
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