Ascent from the abstract to the concrete as a method of problem rationality analyses

One of the great achievements of Marxism is a well-designed and tested methodology for the study of scien­tific problems used in the «Capital». Its use can be extremely positive in the analysis of that phenomenon as a rationality. It is studied as a «general», and it reveals its invariant, independent of the particular type charac­teristics and to understand how the unfolding of «the type of rationality)), the saturation of its flexibility, the specific historical, real, features of living.