Nyaya holds four pramanas: perception, inference, comparison and the Vedic word. Nyaya argues that the outside world is known to us through

Nyaya holds the external world reaches us through the senses working with the mind.

The sense organs make contact with outer objects.

The manas (mind) is the internal organ that attends to and coordinates these inputs.

Without the mind's connection the senses alone yield no cognition.

Knowledge of the outside world thus requires both senses and mind together.