saṃkṣepo 'yaṃ vinaṣṭāccetkāraṇāt kāryasambhavaḥ / pradhvastasyānupākhyatvān niṣkāraṇam idaṃ bhavet
This is the summary: if an effect were to arise from a destroyed cause, it would be without cause, since what is destroyed has no characterization.