Prameya

Prameya (प्रमेय) means “that which is to be known” or “object of knowledge.” It refers to the entities or topics that are validly cognized through the pramanas.

Overview

In Nyaya philosophy, there are twelve categories recognized as prameyas: atman (self), sharira (body), indriyas (senses), arthas (objects of the senses), buddhi (cognition), manas (mind), pravritti (activity), dosha (defects), pretya-bhava (after-life/rebirth), phala (fruition), duhkha (pain), and apavarga (liberation). Vaisheshika adds additional categories like dravya (substance), guna (quality), and karma (action) as prameyas.

Philosophical Context

The prameya connects the epistemological structure (pramana) with ontological entities. The Nyaya school argues that pramanas and prameyas are independent — valid means of knowledge exist whether or not we use them, and objects exist whether or not we know them. This realism distinguishes Nyaya from idealist schools. The relationship between pramana (knower/instrument) and prameya (known/object) constitutes the core of Indian epistemological inquiry.

Interpretations

Different schools define the set of prameyas differently based on their metaphysical commitments. The Samkhya school recognizes purusha (consciousness) and prakriti (matter) as the two fundamental prameyas. Buddhist epistemology restricts prameyas to momentary dharmas (phenomena), rejecting the permanence of substances that Nyaya affirms.

Verification Notes

• The twelve-fold prameya list is from Nyayasutras 1.1.9 and Vatsyayana’s commentary.
• Audited against Wikipedia and Encyclopedia of Indian Philosophies (September 2026).