Hetuchakra

work by Dignaga

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In Indian philosophy: Contributions of Dignaga and Dharmakirti
In his Hetuchakra (“The Wheel of ‘Reason’ ”), Dignaga set up a matrix of nine types of middle terms, of which two yield valid conclusions, two contradictory, and the rest uncertain conclusions. Dignaga’s tradition is further developed in the 7th century by Dharmakirti, who modified his definition…
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