Exner, Robert M.
Logic in elementary mathematics [by] Robert M. Exner [and] Myron F. Rosskopf. - New York, McGraw-Hill, 1959. - 274 p. illus. 24 cm.
58013865
Mathematics--Philosophy.
Logic, Symbolic and mathematical.
QA9 / .E96
510.1
Logic in elementary mathematics [by] Robert M. Exner [and] Myron F. Rosskopf. - New York, McGraw-Hill, 1959. - 274 p. illus. 24 cm.
58013865
Mathematics--Philosophy.
Logic, Symbolic and mathematical.
QA9 / .E96
510.1