Sri Sri Sri Acharya Prabodhananda Yogeeswarlu is the Thraitha Theorem originator. He is the one who wrote the Thraitha Siddhantha Bhagavadgeetha based on the Kshara(Jeevamta or Mortal Soul), Akshara(Atma or Immortal Soul), Purushottama(Paramatma or Absolute Soul). The base for the ordination of the Thraitha Theorem is
in Purushottama Prapthi Yogam Chapter Shlokas 16, and 17.
Swami interpreted Bhagavadgeetha with true concept and wisdom what Lord Krishna taught to Arjuna during the Mahabharatha Battle.
Lord Krishna drew a bounder line to the every creature called GITA, that means all the Dharmas are inside you not out side.
Swami clearly explained each and every Shloka what purpose it is being said.
He showed evidences for the Shlokas in the GITA.
Greater Explanation is given about Brahma or Gnana, Karma or Raja, and Bhakti Yogams.
For each Shloka at the bottom specied that whether shlokas is for Jeevatma or Atma or Paramatma or Prakruti or Saakaraa or Niraakaara or Brahmayogam or Karmayogam or Bhakti Yogam or Gunas etc…
The one who starts reading Thraitha Siddhantham Bhagavadgeetha, he will not see any controversies in the explanation until the end of the chapter.