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Introductory Logic

Robert J. Levy

出版	University Press of America, 1984
主題	Mathematics / LogicPhilosophy / Logic
ISBN	08191417989780819141798
URL	http://books.google.com.hk/books?id=FM8eAQAAMAAJ&hl=&source=gbs_api

註釋

This non-technical, easy-to-read introduction to symbolic logic discusses truth-functional and predicate logic in a simple and concise manner. Emphasizes indirect proof of an especially simple form, while avoiding entirely conditional proof. Proof construction (both direct and indirect) is taught by using: (I) finished proofs; (II) partially completed proofs in which the students are to supply missing justifications for lines of proof; and (III) partially completed proofs in which the students are to supply the missing lines of proof, given their justifications. The difficult topic of symbolization of sentences is presented in a quasi-mechanical way which stresses the recognition of standard form expressions.