Hedman, Shawn. A first course in logic : an introduction to model theory, proof theory, computtability, and complexity / by Shawn Hedman. - / . - Oxford : Oxford University Press , 2006. - xx,431p. : illus.,figs. ; 25cm . Includes bibliogrphy & index ISBN: 0198529813 GBP 29.99 Subjects--Index Terms: LOGIC Dewey Class. No.: 160 / HED/F