Introduction to logic/
Cruz, Corazon L.
Introduction to logic/ Corazon L. Cruz. - Fourth edition. - Mandaluyong: National Book Store, c1995. - xii, 363 pages: illustrations; 22 cm.
Bibliography: page 359.
9710857975
Logic.
Logic--Problems, exercises, etc.
Logic--Study and teaching.
160
Introduction to logic/ Corazon L. Cruz. - Fourth edition. - Mandaluyong: National Book Store, c1995. - xii, 363 pages: illustrations; 22 cm.
Bibliography: page 359.
9710857975
Logic.
Logic--Problems, exercises, etc.
Logic--Study and teaching.
160