Nyayasutra 12.7

12.7

sūtram | hetorityanantaraṃ sādhakatvamiti pūraṇīyam | vikalpopakrame ete jātī iti bhedavivakṣayaikasūtreṇopagrahaḥ | vastuto bheda vivakṣayaikajātitayāpyupapattiḥ | sādhakatvaṃ ca kārakajñāpakasādhāraṇam | śabdo'nityaḥ kṛtakatvādityādau yadi kṛtakatvaṃ sādhyaṃ prāpya sādhakaṃ tadā prāptaiḥ satoreveti sādhyameva sattvāviśeṣāt sādhanaṃ sādhayiṣyati | atha sādhyamaprāpyaiva sādhanaṃ sādhakaṃ tadā'prāptasya sādhakatve'tiprasaṅga iti taddhetuḥ sādhaka iti prāptisamā | yadi prāpti samā lakṣyate tadā'prāptipakṣaḥ prathamaṃ vācyaḥ | yadi tvaprāptisamā lakṣyate tadā prāptipakṣaḥ prathamamityeva viśeṣaḥ | prāpya sādhane'viśeṣeṇāniṣṭāpādanaṃ prāptisamā | aprāptisādhane'tiprasaṅgenāniṣṭāpādanamaprāptisamā | anayorviśeṣātiprasaṅgarūpadvārabhedādeva bhedaḥ | ucitasamayarūpaviśeṣaṇābhāvād viśeṣaṇāsiddhideśanābhāsādyā | dvitīyā tu prāptirūpaviśeṣaṇāsiddhideśanābhāsā | vastutastu pratikūlatarkadeśanābhāse ubhe |
evaṃ daṇḍo yadi prāpya ghaṭaṃ janayet tarhi ghaṭa eva daṇḍaṃ kuto na janayet sattvenāviśeṣāt | yadi cāprāpyaiva ghaṭaṃ janayet paṭaṃ kathaṃ na janayatyaprāptatvāviśeṣāditi |