Siddhasena

Siddhasēna Divākara (Jain Prakrit: सिद्धसेन दिवाकर) was a jain monk in the fifth century CE who wrote works on Jain philosophy and epistemology. He was like the illuminator of the Jain order and therefore came to be known as Divākara, "Sun". He is credited with the authorship of many books, most of which are not available. Sanmatitarka (‘The Logic of the True Doctrine’) is the first major Jain work on logic written in Sanskrit.