9.1The four factors of knowledge (Nyaya)#
In brief
Indian epistemology asks how valid knowledge arises.
- Pramata
- Prameya
- Pramana
- Prama
- Pramiti
- smriti
- anubhava
- aprama
Indian epistemology asks how valid knowledge arises. Nyaya names four factors:
| Term | Meaning |
|---|---|
| Pramata | The knower (subject) |
| Prameya | The object of knowledge |
| Pramana | The means (instrument) of valid knowledge |
| Prama (or Pramiti) | Valid knowledge, the result |
Prama is yathartha anubhava, true (right) experience (Tarkasamgraha). Cognition (buddhi) is divided into smriti (memory) and anubhava (experience). Anubhava is prama (valid) or aprama (invalid, covering samshaya doubt, viparyaya error and tarka hypothetical reasoning). Smriti is not counted a pramana because it only reproduces an earlier experience and is not a fresh cognition.