Hanna, Samuel C. Sets and logic [electronic resource] / [by] Samuel C. Hanna [and] John C. Saber.. — Homewood, Ill., : R.D. Irwin,, 1971.. — xi, 274 p. 23 cm. - Irwin series in quantitative analysis for business. LCCN: 71118189 Subjects--Topical Terms: Set theory.Logic, Symbolic and mathematical.Ensembles, Théorie des.Logique symbolique et mathématique. LC Class. No.: QA248 / .H29 Dewey Class. No.: 511/.3