What Is Existence in Our Terms?

This formulation of the ultimate reality as sath chit an an the existence consciousness plac so what's the history of it? When did it first come together in this form. What does it mean that such i danande is oneness? Quickly, let me run you through this. A first and fundamental upanishad says, brahma wid da serve with ta bitish tarm mundakopenisha. It says, the knowledge of brahman, the science of brah man, is the foundation of all sciences,. Because brahman is the foundation for everything. How? So here we go to the german philosopher heideger, a very nice analysis of ex t