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Saw Seminar History and Philosophy of Mathematics9th February 2015, 9.30 am-5 pmUniversity Paris DiderotRoom 646 ASession prepared with the ERC Project SAW "Mathematical Sciences in the Ancient World"1. Follow-up to the session On the methods of approximation and on questions of discretization, prepared with the ERC Project SAW "Mathematical Sciences in the Ancient World" organised by Christine Proust (CNRS, SPHERE &#38; ERC Project SAW), Maarten Bullynck and Marie-José Durand-Richard (SPHERE).Nadine De Courtenay (Univ. Paris Diderot, SPHERE)- in EnglishThe gift of mistaking. Approximation and uncertainty as modalities of the mathematical translation of physical phenomena. (continued)2. Mathematics, Astral science and Trigonometry.  Session organised by Agathe Keller (CNRS, SPHERE &#38; ERC Project SAW)Clemency Montelle (University of Canterbury, SAW) - in EnglishSome reflections on trigonometry in the Sanskrit astral sciencesNathan Sidoli (Waseda University, SAW) - in EnglishEpisodes in Greek TrigonometryPhilippe Abgrall (CEPERC, AMU-CNRS) - in French with English documentsLe recours au théorème des sinus pour résoudre certains problèmes liés à l’astrolabe, par Ibn ‘Irāq/Ibn'Irāq's use of the sine theorem to solve certain problems linked to the astrolabe.&#160;Bâtiment/Building Condorcet, Room/Salle 646 A  4 rue Elsa Morante 75013 Paris or 10 rue Alice Domon et Léonie Duquet 75013 ParisProgramme and Map