vyāpakaviruddhavyāptopalabdhi TSop 2.9.11) vyāpakaviruddhavyāptopalabdhir yathā nāyaṃ nityaḥ kadācitkāryakāritvād iti / pratiṣedhyasya nityatvasya niratiśayatvaṃ vyāpakaṃ tasya viruddhaṃ sātiśayatvaṃ tena vyāptaṃ kadācitkāryakāritvaṃ tasya cehopalabdhiḥ / |