Upamāṇa (Sanskrit: `comparison`), upamana in Hinduism, is a pramāṇa, or means of having knowledge of something. Observance of similarities provides knowledge of the relationship between the two. ... Found on http://en.wikipedia.org/wiki/Upamāṇa
the fourth of the five means of knowledge (pramana) in Indian philosophy by which man can have valid cognitions of the world. Upamana describes ... Found on http://www.britannica.com/eb/a-z/u/14