History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c22.s1.37

v1.c22.s1.37

*Caraka Saṃhitā* (Su. 11.17) enumerates the above three *Pramāṇas* and adds one more, the *Yukti* as the fourth. In fact it is included in *Anumāna* itself but it has been given an independent status in view of its importance in practical application.