This is pretty bad. Hellenic philosophy merged the arguments with how to live. What has mostly survived are writings regarding the latter portion, but the for

This is pretty bad. Hellenic philosophy merged the arguments with how to live. What has mostly survived are writings regarding the latter portion, but the former do exist. Chrysippus was the logician who first, I believe, came up with the final version of the truth table not to mention formal propositional logic.