In the article the category of taste is presented as the category coordinating the existence of European segment of humanity in the 20th century. Slav art culture is a dominating motive in it. Conception of taste, formed by Volter, Motesque and d'Alamber, and connected with natural delight of soul is chosen as the basis the category mentioned. Investigation of functioning peculiarities of "Slav" logic in the context of European axiology forms all prerequisites for the definite conclusion. It concerns that natural taste of a man of Slav culture can be measured by the ontological model of the lexical type (hierarchic proposition), or by a net of the binary type. It is remarked that resonant interaction of outer and past impressions is fixed in syntactic formations "sentence" and "statement". It is determined by the logical system of topos conceptualization which is responsible for the transformation of reality.