On specific status of evaluation in scientific text

The article substantiates the concept of intellectual expression and its role in forming and expressing a new scientific knowledge. The author states that scientific narration is characterized by a certain type of expression called intellectual expression. Intellectual expression represents within the fabric of a text the intensity of the cognitive process performed by the author-scientist. It is fixed in the text with the help of special language and speech units. The author introduces the term cognitive evaluation as a phenomenon that reflects the process of cognition and that is directly determined by intellectual expression. The role of evaluation in the dynamics of the text development is regarded. Common and distinctive characteristics of the unity “text – discourse – interdiscourse” are revealed.