COGNITIVE BASIS OF GRAMMAR
The article deals with the grammar of language from the standpoint of the cognitive paradigm of scientific knowledge, in particular the biocognitive philosophy of language. The article substantiates the cognitive-semiotic nature of grammar as a system for categorizing the experience of human interaction with the surrounding world (knowledge), describes the cognitive mechanism of knowledge formation in the system "organism-environment". The article explains the principle of organizing grammatical categories in the language and indicates the need for distinguishing the grammar of the natural (verbal) and written language.