bāhyārthaprāpaṇaṃ yadvā tat sāmarthyaṃ yadīṣyate / saṃvāditvam asiddhaṃ tad bahirarthāpalāpinaḥ //
If saṃvāditva [conformity with reality] is claimed to be either the presenting of an external object or the capacity for [such] presenting, then that [conformity] cannot be established for one who denies external objects.