atha vyavahāraḥ sādhyate tadā yatra pūrvaṃ vyavahāraḥ kṛtaḥ tat prasiddhaṃ nidarśanaṃ sambhavati iti trirūpaḥ eva syāt
If [mundane] usage is what is to be proved, then where usage has been previously established, that [becomes] a valid corroborative example, thus [the inference] would indeed have three characteristics