I'd like to note that Socrates' syllogisms only address a small fragment of predicate logic. It coexisted and competed with the propositional logic of the Stoic

I'd like to note that Socrates' syllogisms only address a small fragment of predicate logic. It coexisted and competed with the propositional logic of the Stoics. Predicate logic did not achieve its power as we recognize it today until Frege. http://hume.ucdavis.edu/mattey/phi112/history.html http://hume.ucdavis.edu/mattey/phi112/history.html