Tarkikaraksha 2.13

2.13

dṛṣṭāntahetupakṣāṇāṃ siddhānāmapi sādhyavat
sādhyatāpādanaṃ tasmālliṅgāt sādhyasamo bhavet 13
meva nyāyo dṛṣṭāntadharmiṇi tadvartini ca hetau darśayitavyaḥ | tataśca pakṣahetudṛṣṭāntānāmapi siddhyarthamayameva heturyāvanna prayujyate tāvat teṣāmasiddhirbhavediti
sādhyavikalatvāsiddhatvādaya āropyanta ityasya pratiṣedhahetāvapi durvāratvāt svavyāghātaḥ | ayuktāṅgasvīkāraśca pakṣādīnāṃ tata eva liṅgāt siddherayuktāyā evābhyupagamāt utkarṣasamādīnāṃ ṣaṇṇāṃ lakṣaṇasūtram sādhyadṛṣṭāntayordharmavikalpādubhayasādhyatvāccotkarṣāpakarṣavarṇyāvarṇyavikalpasādhyasamāḥ | atrotkarṣādisamākhyānirvacanamevāsāṃ lakṣaṇam | sādhyadṛṣṭāntayordharmavikalpaḥ ṣaṇṇāṃ kāraṇam sādhyaḥ pakṣaḥ dharmāṇām
vikalpo nānātvaṃ vaicitryaṃ tacca tatratatra darśitameva
ntaḥ | siddhena cātideśo bhavatyasiddhasyeti nyāyāt
siddho dṛṣṭāntaḥ | pakṣastu sādhyo'ṅgīkāryaḥ ubhayorapi
siddhatve sādhyatve vā dṛṣṭāntadārṣṭāntikabhāvavyāghāta
iti