TY - BOOK AU - BARKER-PLUMMER, Dave AU - Jon Barwise AU - John Etchemendy TI - Language, proof and logic SN - 9781575866321 U1 - 160 BAR 22nd ed. PY - 2011/// CY - California : PB - CSLI Publications, KW - Logic N1 - Includes index N2 - Covers first-order language in method appropriate for first and second courses in logic. CD-ROM consists of a new book, 3 programs, and an Internet-based grading service ER -