anupalabdhes tu svabhāve 'ntarbhāvaḥ / naca svabhāvakāraṇākhyena liṅginā vinā tayor liṅgayoḥ sambhavo 'sti, yena
The non-apprehension [type of probans] is included under svabhāva. And these two probans are not possible without a probandum called 'nature' and 'cause', through which [there could be fallibility].