  Although both are covered by the meta-linguistic description, neither could be singled out as the mode of the fourth indemonstrables: If we disregard complex arguments, there are thirty-two modes corresponding to the five meta-linguistic descriptions; the latter thus prove noticeably more economical. The almost universal assumption among historians of logic that the Stoics represented their five (types of) indemonstrables by five modes is false and not supported by textual  evidence.[4]