yasmājjñeyajñānayoḥ svabhāvau śṛṅkhalayeva baddhau, tasmād ekasvabhāvasadbhāve dvitīyasya prāptisadbhāvaḥ prāpnotyevabhicārād iti siddham
Because the natures of the cognized and cognition are bound together as if by a chain, therefore when one nature exists, the presence of the other necessarily follows without exception - this is established.