vidyamānopalambhārthapramāṇāviṣayatvataḥ // aṇūtpādakaṃ saddharmopagataṃ nocediṣyata iti sambandhaḥ / vidyamānasyopalambho 'dhigamaḥ so 'rthaḥ prayojanaṃ yasya pramāṇasya tat tathoktaṃ /
The construction is: "Because it is not the object of a means of valid cognition whose purpose is the apprehension of what exists, the producer of atoms is not accepted as being endowed with the property of existence." Here, 'apprehension' means cognition, which is the purpose of that means of valid cognition.