This book presents an evolutionary theory of the origin and step-by-step development of linguistic structures and cognitive abilities from the early stages of anthropogenesis to the Upper Paleolithic. Emphasizing the social nature of the human mind and using an extended version of C.Hempel's explanatory logic, the author proves that language and consciousness emerged and evolved through the daily efforts of our ancestors to overcome mutual misunderstandings in increasingly complex social orders with increasing tasks on memory, thinking, and normative regulation of behavior, with the addition...