Four corners of logic, and the fifth

it might sound spiritual is to just construct a new prison for you, so there's a beautiful thing we came across the other day, in western philosophy, you see, from the times of Plato and Aristotle, maybe Aristotle codified it in this way actually, he said that a claim can either be true or it can be false, these were the two corners of western philosophy, western logic, in India, both with the Buddhists and the Vedanthins, there used to be four corners, which was a claim can be true, it can be false, it can be both true or false, it can be neither true nor false, these were the four, and these four were enough to shake up most intellects, but the Buddha on many occasions is referred to a fifth and stages like the Nagarjuna, referred to a fifth, now this fifth, you cannot define in words, because you define true, you define false, you define both two and false, you define neither, two nor false, that fifth corner is where true self-knowledge lies, so if I say it has a point, it is in the corner of the false, if I say it is both true and false, it is in the third corner, you see, if I say it is neither true nor false, it is the fourth corner, but the truth is