द्वितीयेन समं यैषा तत्तावद्भवनैकता ।सा संबन्धगतिः प्रोक्ता प्राग्द्वित्वादधुनैकता
In plain words
That coming-into-oneness which occurs together with a second thing - that alone is called the mode of connection: formerly there was duality, now there is oneness.