TY - BOOK AU - Hanna,Samuel C. AU - Saber,John C. TI - Sets and logic AV - QA248 .H29 U1 - 511/.3 PY - 1971/// CY - Homewood, Ill. PB - R.D. Irwin KW - Set theory KW - Logic, Symbolic and mathematical KW - Ensembles, Théorie des KW - Logique symbolique et mathématique UR - http://www.archive.org/details/setslogic00hannrich UR - http://www.openlibrary.org/books/OL5756594M ER -