vastvavastunoścānyonyavyavacchedarūpatvāt / sāmarthyād avastulakṣaṇaviparītamarthakriyāsāmarthyam eva vastulakṣaṇamavatiṣṭhata iti bhāvaḥ //
And since entity and non-entity have the nature of mutual exclusion, by logical necessity the capacity for effective action, being opposite to the characteristic of non-entity, stands as the characteristic of entity - this is the meaning.