Logical structure of thinking in scientific research "Essay Of logic" by Stepan Baley

The scientific heritage of the Ukrainian scientist S. Baley is investigated in the field of the
logic. The structure, problems and terminology of the textbook "Essay of Logic" by S. Baley
are analyzed.In the references the author's styleis unchanged with the knowledge that this is
not about the style and grammar, but about the formation and development of the logic in
Ukrainian science.