Pan'kiv O. Forming of ontological and gnoseological problems in pre-Socratic philosophy.

In this thesis it is researched the way and the essence of the first ontological and gnoseological searches made by the pre-Socratic philosophers in the context of their general natural philosophy reflection about the world and nature. In this connection there were reconstructed and analysed the ontological and gnoseological ideas of pre-Socratic philosophy, and was found out the essence of their content, their historical way of expression, way and means of solvation in all philosophical school of that time, in all directions as well as by separate philosophers. It was revealed the heuristic potential of ontological and gnoseological ideas of this philosophy and the historical value for the further development of the world philosophical view.