The article contains an attempt to comprehend the phenomenon of Soviet logic. This phenomenon is paradoxical in its own way. On the one hand, the logic and methodology of science was in the 1960s and early 1980s a numerous and very active movement in Soviet scientific life. These were frequent large-scale conferences, many publications. In fact, it was a kind of scientific subculture, which united part of the intellectual elite. On the other hand, there were not large-scale disciplinary results, disciplinary scientific journals. The main thesis of this work is “Soviet logic was more than logic”. The ideological pressure on the humanities, especially philosophy, contributed to the formation of the attractiveness of the image of logic as a rational intellectual activity, acquiring in an atmosphere of general half-knowledge the philosophical professionalism oasis. Moreover, logic has acquired the status of almost the only “ecological niche” in philosophy, relatively independent of the ideology of the sphere of professional thought. The last 15 years of the 20th century were years of reforms and transformations that removed extra-disciplinary centripetal factors. This gave rise to a powerful centrifugal impulse. The logicians jumped in different directions, finally doing what they could not do before. Since the beginning of the 21st century, this situation has turned into a degradation of the scientific logical culture, negative consequences for the development of Russian logic as a scientific discipline, and the displacement of logic to the periphery of artificial intelligence research.