Abstract. The article focuses on the consideration of issues concerning the formation of the Russian spiritual philosophy at the turn of the XIX-XX centuries in the surveys of a representative of Moscow Theological Academy Aleksei Ivanovich Vvedensky. His main direction of creative work was the development of the theoretical theses of transcendental monism. In addition to theoretical researches, A. I. Vvedensky paid particular attention to pedagogical work, understanding the importance of the education and training of the younger generation and the transfer of accumulated knowledge. Aleksey Ivanovich Vvedensky is among great spiritual philosophers, whose activity was a valid contribution to national spiritual and theistic traditions.
Key words and phrases: Алексей Иванович Введенский, Московская духовная академия, духовность, духовно-академический теизм, история русской духовной философии, преемственность, религиозная философия, история философии, онтологизм, трансцендентальный монизм, духовно-теистические традиции, Aleksei Ivanovich Vvedensky, Moscow Theological Academy, spirituality, spiritual and academic theism, history of the Russian spiritual philosophy, continuity, religious philosophy, history of philosophy, ontologism, transcendental monism, spiritual and theistic traditions