athānyasmāt tadviṣayapramāṇābhāvāt tat siddhiḥ, tasyāpi tadviṣayasya pramāṇābhāvasya kathaṃ siddhiḥ
If [one argues] that its establishment [comes] from another absence of means of valid cognition pertaining to that object, [then] how is the establishment of that absence of means of valid cognition pertaining to that object [achieved]?