Before revision: Though tetralemma was also used as a form inquiry rather than logic in the nasadiya sukta of rigveda (creation hymm) though seems to be rarely used as a tool of logic before buddhism
After revision: Though tetralemma was also used as a form inquiry rather than logic in the Nasadiya Sukta of Rigveda (creation hymm) though seems to be rarely used as a tool of logic before Buddhism.