Brahma Sutras

siva.sh/brahma-sutras/3/4/47

ॐ सहकार्यन्तरविधिः पक्षेण तृतीयं तद्वतो विद्यादिवत् ॐ ॥ ३.४.४७॥

sanskrit

In case of a partial application to knowledge by one possessed of (imperfect) knowledge, an injunction is implied in another auxiliary which is the third; this is like the main injunction being applied to the subsidiary acts.

english translation

OM sahakAryantaravidhiH pakSeNa tRtIyaM tadvato vidyAdivat OM || 3.4.47||

hk transliteration by Sanscript