Logic & Philosophy of Science
Wheel of reason (Hetucakra) and the three marks
5th-6th c. CEDignagaHetucakraPan-Indian / unspecified
401 CE
A formal analysis of when a logical 'sign' validly proves a conclusion (the trairupya conditions).
- Dated
- 401–600 CE
- As scholars put it
- 5th-6th c. CE
- Originator
- Dignaga
- Source text
- Hetucakra
- Region
- Pan-Indian / unspecified
- Discipline
- Logic & Philosophy of Science
- Evidence
- Documented
- Confidence
- High
- Verification
- Reference-cited
Meanwhile in the West
Parallels the theory of valid inference in Western logic.
Fair to say
A distinct system, not identical to Aristotelian logic.
Path to modern innovation
A rigorous early theory of inference.
Transmission
Independent tradition.
References
- 1Dignaga's Hetucakra
- 2J. Ganeri
Further reading
Corrections and additional sources: edit IND-089 on GitHub.