The Chaturvaka Epistemological Criticism of Inferences

The Chaturvaka school is clearly not skeptical, at least not in the way that the ancient Greek skeptics were. They accept one authoritative pramana, or source of knowledge, namely sense perception. Their epistemology fits better with the aforementioned Epicureans who grounded all knowledge in sensation. If there is no definite proof of something, then it should be taken not to exist, and that seems like a crass philosophical error," they say.