Elementary logic
Mates, Benson
Elementary logic - 2d ed. - New York, Oxford University Press, 1972. - xii, 237 p.
019501491X
Logic, Symbolic and mathematical.
511.3
Elementary logic - 2d ed. - New York, Oxford University Press, 1972. - xii, 237 p.
019501491X
Logic, Symbolic and mathematical.
511.3