atha sāmānyena āśrayo vivakṣitas tathāpi yāvat prativādinaṃ prati pramāṇena vaktṛtvaṃ na sādhyate tāvat sandigdhāsiddhatā, ya eva tu ubhayaniścitavācī sa eva sādhanam iti nyāyāt
If the substratum is meant generally, even then, as long as speakership is not proven to the opponent through a valid means of cognition, there remains doubtful non-establishment, according to the principle that only that which expresses what is ascertained by both parties can be a proof.