However, this argument overlooks the obvious correlation of Brahmā with Brahman. The identification of Brahma, Vishnu, and Shiva as one being is strongly emphasized in the Purāṇa, wherein 1.6 Brahman is worshipped as Trimurti; 1.9 especially inculcates the unity of the three gods, and 1.26 relates to the same theme. Historian A. L. Basham explains the background of the Trimurti as follows, noting Western interest in the idea of trinity: