tatrānvayāt kāryaniścaye kartavye yeṣām upalambhe saty upalabdhalakṣaṇaprāptaṃ pūrvam anupalabdhaṃ sadupalabhyata ityevam āśrayaṇīyam
In this case, when the effect is to be determined through positive concomitance, one must rely on [the principle that] when those [causes] are perceived, something that is perceptible [by nature], which was previously unperceived, comes to be perceived.