atha kāryakāraṇavyavahāro vismṛtaṃ prati sādhyate, tathāsati trirūpo hetuḥ syād agnidhūmādeḥ prasiddhakāryakāraṇasya dṛṣṭāntatvena vidyamānatvsāt //
If [it is argued that] the cause-effect relationship is being proved for [the benefit of] one who has forgotten it, then in that case the probans would [indeed] be three-featured, since well-known cause-effect [relationships] like [that of] fire and smoke are present as examples.