%0 Journal Article %T COMPOSITIONAL (NON-)FORMULA: VIEWER (RECIPIENT) AND ARTIST (MASTER) AS PHILOMATICS. PART 2.3 THE COLOR THEORY OF EMPEDOCLES OF AGRAGANTUM %A Kopceva, N.P. %K visual thinking, ancient physiology of vision, psychic pneuma, imagination, artistic image, optics, Empedocles of Acragas, Sicilian medical school, color theory %J Siberian Art History Journal %D 2026 %N 5 %P 15 %I Krasnoyarsk regional public organization Commonwealth of Enlighteners of Krasnoyarsk