Charak Samhita
अथप्रतिज्ञा- प्रतिज्ञानामसाध्यवचनं; यथा- नित्यःपुरुषइति ॥३०॥
॥ 8. Pratijna (proposition)॥ Pratijna(proposition) is the statement which is to be proved. For instance, purusha is eternal.
english translation
athapratijJA- pratijJAnAmasAdhyavacanaM; yathA- nityaHpuruSaiti ॥30॥
hk transliteration by Sanscript