The Stoics, Epicureans and Sceptics

3 No description of their system can dispense with this fundamental enquiry, which had been already instituted by Zeno. It appears, however, to have been treated by several writers as a branch of dialectic. Diog. 43 says that the branch of dialectic which treats of σημαινόμενα may be divided εἴς τε τὸν περὶ τῶν φαντασιῶν τόπον καὶ τῶν ἐκ τούτων ὑφισταμένων λεκτῶν. (See Nicolai p. 23. ) Compare with this the words of Diocles, in Diog.