About the book: 2001 / Collection of scientific works, prepared by the sector of evolutionary epistemology, is devoted to the logical, rhetorical and cognitive aspects of argumentation, persuasion, communication and understanding. The focus of many authors is on logical methods of justification and argumentation, such as deduction, induction and abduction. New methods for introducing and using concepts and question-and-answer procedures are proposed. From the standpoint of logical hermeneutics, the problem of consistency of philosophical systems is discussed. The prerequisites for the emergence of the art of argumentation and the features of deviant rationality from a cognitive point of view are explored. The collection of scientific works is recommended for specialists in the theory of argumentation, scientific methodologists, logicians, as well as for teachers and students.