Abstract
The article examines a number of methodological and conceptual features in the philosophical work of S.L. Rubinstein of the early (Marburg) period. It is assumed that the copies of Rubinstein’s doctoral inaugural dissertation available at the university of Marburg (Germany) and it the private archive of K.A. Abulkhanova represents two parts of one research, which understated expect in it’s first part (the text submitted for defense) an interpretation and criticism of Hegel’s absolute rationalism, and in the second part an exposition of the author’s own concept. It is proved that Rubinstein overcomes the logical limitation the Hegelian philosophical absolutization – the opposition of being and consciousness, the author fuses object and subject in a single being as a domain of accommodation of both, the construction of the internal consistent picture of being as the actual being of a leaving subject. Acknowledgement of Sources. The author is sincerely grateful to the D. Sc. in Philosophy, Professor, Academician of the Russian Academy of Education K.A. Abulkhanova for the materials provided from her personal archive.