Aristotle refers to enthymemes both in his Organon and Rhetoric. The comparison of the various passages leaves open some questions about the exact meaning of enthymemes. The problem becomes more complicated if one compares enthymemes with syllogisms described in the
. Some enthymemes seem to be identical with the
syllogisms of the
, while some others seem to be identical with the
described in the
. Our confusion is increased by Anaximenes. He tries to define the exact meaning of various kinds of rhetoric proofs, nut his text is far from being unambiguous. At any rate he creates a new system of rhetoric proofs as compared with Aristotle.