Ontology of Faith and Transformation of Metaphysics in Russian Philosophy in the First Half of XX Century

In the article are considered subject-methodological changes in development of Russian philosophy in the first half of XX centuries, which connected with Kantian philosophy, motivating transition from traditional metaphysics to ontology of faith. Russian philosophy, despite of all criticality to Kant's reform, could not remain away from the general development of philosophy on the European continent. In the article are analyzed problems rising before Russian philosophy in connection with attempt of construction of faith ontology. The special attention is given to achievements and contradictions in S.L. Franc's creativity who has experienced the influence by M. Heidegger