tathā hy asatyanyathānupapannatve tryaṃśakasyāpi tat putratvāder na dṛṣṭā suhetutā / tasmāt klībāḥ asaktāḥ, trilakṣaṇā hetava iti /
For thus, when there is no [property of being] otherwise impossible, even with three aspects [present], as in [the case of] being someone's son and so forth, no valid probative force is observed. Therefore the three-featured probans are impotent [and] ineffective.