Bloch, Ethan D. Proofs and fundamentals : a first course in abstract mathematics [2nd ed.] - 2nd ed. - New York Springer 2011 - xxiv, 359p. ; 24 cm. - Undergraduate texts in mathematics . ISBN: 9781441971265 Subjects--Topical Terms: Mathematics ; Proof theory Subjects--Index Terms: MA673 Dewey Class. No.: 511.3 / BLO