Identification, Systematization and Analysis of the Origins of Cognition Universal Operations Reflected in Ancient Manuscripts and Ancient Language

The article treats methodical aspects of exposure, systematization and analysis of sources of origin of universal operations of cognition as reflected in the ancient manuscripts and Old Russian language. An exposure and analysis of initially great number of universal operations of cognition are taken into account thus presenting two opposite classes of descending and ascending operations, while each of those classifications is conducted on the grounds of family root, character, sense and origin. For each operation the classification system was elaborated based on word-building, logic of forming of two-digit and three-digit family roots of the Old Russian language