Abbreviations and Critical Editions – A. Motta – D. P. Taormina, Proclus and the Sciences. I. MATHEMATICS: BRANCHES, ONTOLOGICAL STATUS AND METHOD. Dominic J. O’Meara, Syrianus and Proclus on Why True Mathematics Cannot Be Empirically Based – A. Sheppard, The Place of Music in Proclus’ Conception of Mathematical Exegesis – D. Walter, Incommensurability in Geometrical Entities in Proclus’ In Eucl. and In Prm. – Á. J. Campillo Bo, The Unfolded Syntax of Intellect: Proclus on the Metaphysical Foundations of Elementary Arrangements – A. Vargas, Can the Will Ground Science?. II. MATHEMATICS: A BRIDGE TO THEOLOGY. C. Steel, Proclus on the Usefulness of Mathematics for Theology – A. Lernould, La mathématique générale chez Proclus – M. Martjin, Relations That Are Given and Established. Proclus’ Use of Analogical Reasoning in Theology– M. Cutino, L'Arithmos divino nel sistema metafisico di Proclo – P. Hoffmann, Les structures numériques des ordres divins dans la Théologie Platonicienne de Proclus. De la triade à l’hebdomade et à la dodécade. III. OTHER SCIENCES AND THE DIVINE. G. Van Riel, Proclus’ Potamology: The Role of Rivers in Eschatology – E. Kutash, Proclus’ “Theological” Spherical Cosmic Whole and His Scientific Innovative Astronomy. IV. A PHILOLOGICAL PROCLEAN APPENDIX. M. Menchelli, Difformità storico-tradizionali in Proclo, Commento all’Alcibiade I e Commento al Timeo tra il periodo mediobizantino e l’età dei Paleologi: Giorgio Pachimere (Napoli, BN, III.E.17, In Alc.), Giovanni Catrario (Napoli, BN, III.D.28, In Ti.) e lo Upatos ton pilosopon Michele Psello (Patmos Eileton 897). Index Locorum. General Index