Coba jelasin Arthur Prior dari Logika leksikal dong

1962: Formal Logic, 2nd ed. Oxford Univ. Press. While primarily devoted to modern formal logic, contains much on term and medieval logic.

1976: The Doctrine of Propositions and Terms. Peter Geach and A. J. P. Kenny, eds. London: Duckworth.

Willard Quine, 1986. Philosophy of Logic 2nd ed. Harvard Univ. Press.

Rose, Lynn E., 1968. Aristotle's Syllogistic. Springfield: Clarence C. Thomas.