Abstract
WILLIAM B. EWALD, From Kant to Hubert. A source book in the foundations of mathematics. Oxford:Clarendon Press, 1997. Two volumes, xviii + 1340pp. £175.00. ISBN 0 19 853271 7 DONALD GILLIES, Artificial Intelligence and Scientific Method. Oxford:Oxford University Press, 1996. xiii+176pp. £35.00 /£ 11.99. ISBN 0 19 875158 3/875159 1 N. VASSALLO, La depsicologizzazione délia logica. Un confronto tra Boole e Frege. Milano:Franco Angeli, 1995. 310 pp. 34,000 L G. SCHURZ, The Is-Ought Problem :An Investigation in Philosophical Logic. Dordrecht, Boston and London : Kluwer Academic Publishers, 1997. x + 332 pp. $120/£72.00. ISBN 0792344103