... PARADIGMS OF NATURAL SCIENCE AND SUBSTANTIAL . TEMPOROLOGY . ... The problems of time in natural science are the solved or unsolved problems of relativity theory. ... One more tendency of the present natural science, washing out the existing paradigm, is the rebirth of the substantial outlook . ... However, the whole theoretical natural science is built on the basis of modelling objects by some mathematical structures (sets with relations, algebraic constructions, topological spaces, etc.) ...