The third book of Fedosin S.G. - "Osnovy sinkretiki: filosofiia nositelei" ("Fundamentals of Syncretiсs. Philosophy of Carriers", Moskva: Editorial URSS, 2003, 464 pages, 28 tables, 11 illustrations, 5 appendices and 102 bibliographic references, ISBN 5-354-00375-X) has come out in summer 2003. There is syncretics as the new method of scientific thought, that is the next step against metaphysics and dialectics. With the help of its new logic Fedosin has constructed full and consistent philosophical system - philosophy of carriers, and find that philosophical categories make mathematical group. In his work Fedosin has subjected to the deep analysis the basic categories of philosophy - concepts of interaction, change, motion, matter, subjective, ideal, reflections, spirit, organization, orderliness etc. - and has allowed to connect all the given categories in one theory in which each category is independent and at the same time naturally is connected to all others. With the help of syncretics as new logic and wider sight on structure of the theory it began possible to discover new philosophical categories - such as the stream of existence, and also to formulate about 20 new philosophical laws.