title: [Principal substantiations of the existence of adequate and symbolic reflection at the sensory stage of cognition].
mesh_terms: D003071:Cognition; D006801:Humans; D010465:Perception; D010686:Philosophy, Medical
vernacular_title: Printsipal'nye osnovaniia sushchestvovaniia adekvatnogo i znakovogo otrazheniia na chuvstvennoĭ stupeni poznaniia.