“Table of the Four Forms of the Manifestation of Consciousness” from P.D. Ouspenky's Tertium Organum [1922]:
"I have called this system of higher logic Tertium Organum because for us it is the third canon--third instrument--of thought after those of Aristotle and Bacon. The first was Organon, the second, Novum Organum. But the third existed earlier than the first."
Source:
http://www.sacred-texts.com/eso/to/to28.htm
http://www.sacred-texts.com/eso/to/to24.htm#page_262
