Vada in Theory and Practice: Studies in Debates, Dialogues and Discussions in Indian Intellectual Discourses c7.s2.25

c7.s2.25

Caraka defines *nigrahasthāna* as the occasion of defeat. He cites the following *nigrahasthānas* — *triḥ abhihitasya aparijñānam* (inability to understand even when a proposition is repeated thrice), *ananuyojyānuyogaḥ* (asking a question not to be asked), *anuyojyasya ananuyogaḥ* (not asking a question that ought to have been asked), *pratijñāhaniḥ* (loss of statement), *abhyanujñā*, *kālātītavacana*, *ahetu*, *nyūna*, *adhika*, *vyartha*, *punarukta*, *viruddha*, *hetvantara* and *arthāntara*.⁶¹