Problem setting. In the modern methodology, the issues related to the impossibility of fulfilling the general scientific logical requirements of completeness and consistency are actualized: "whitish spots" testify to the inability to achieve the ideal of scientific completeness, and legal conflicts - about the contradiction of legal norms, which is potentially present in the legal system. Therefore, in relation to the problems of modern legal methodology, logical investigations are conducted with the intention of realizing non-classical ways of reasoning. Recent research and publications analysis. In studies on legal methodology, the logical form is used as a "frame", for which the legal form is harmonized. Legal logic has distinct characte...