[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [Vada in Theory and Practice: Studies in Debates, Dialogues and Discussions in Indian Intellectual Discourses](https://indike.org/pramana/ins.science.tripathi-2021) › c7.s2.25 # Vada in Theory and Practice: Studies in Debates, Dialogues and Discussions in Indian Intellectual Discourses c7.s2.25 Vāda in Theory and Practice: Studies in Debates, Dialogues and Discussions in Indian Intellectual Discourses c7.s2.25 - **Language:** English ### [c7.s2.25](https://indike.org/pramana/ins.science.tripathi-2021.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 - [Previous: c7.s2.24](https://indike.org/pramana/ins.science.tripathi-2021.c7.s2.24) - [Next: c7.s2.26](https://indike.org/pramana/ins.science.tripathi-2021.c7.s2.26) - [Up: c7.s2](https://indike.org/pramana/ins.science.tripathi-2021.c7.s2) --- Source: [https://indike.org/pramana/ins.science.tripathi-2021.c7.s2.25](https://indike.org/pramana/ins.science.tripathi-2021.c7.s2.25) · Pramāṇa