yena yasmāt, sādharmyajñāne bhūyo 'vayavasāmānyayogo 'vagamyate / natu sarvāvayavasāmānyayogas tasmād atrāpyanyonyābhāvaḥ /
Because in the cognition of similarity, the presence of multiple common parts is understood, but not the presence of all common parts, therefore here too [there is] mutual negation.