doṣāpramādvayāsattā gamyate 'nupalambhataḥ / upalambhasya nāstitvam anyenetyanavasthitiḥ
The absence of defects and of the two kinds of invalid cognition is known through non-apprehension; [and if] the absence of apprehension [is known] through another [non-apprehension], there is infinite regress