TY - BOOK AU - Duffy,David A. TI - Principles of automated theorem proving T2 - Wiley professional computing SN - 0471927848 AV - QA76.9.A96 D84 1991 U1 - 511.3 20 PY - 1991/// CY - Chichester, New York PB - Wiley KW - Automatic theorem proving KW - Local KW - Mathematical logic N1 - Includes bibliographical references (p. 225-232) and index ER -