5. On account of the subject-matter

5. On account of the subject-matter.

It has been already shown, viz. under I, 2, 21, that the highest Brahman constitutes the initial topic of the Upanishad. And by the arguments set forth in the previous Sûtras of the present Pâda, we have removed all suspicion as to the topic started being dropped in the body of the Upanishad.