The collection combines studies on the history of ancient, medieval, new and modern philosophy, analyzing the formulation of problems of knowledge, thinking, truth, etc., in various philosophical traditions. A number of studies relate to the interpretation of the world philosophical heritage in the works of Russian philosophers of the 19th-20th centuries. The book includes translations of the works of Boethius, Robert Grossetest, Thomas Aquinas, I. Schwab, Ch. S. Pierce.