Sum of Logic - Book I. On Terms

Book I. On Terms

1. Chapters 1–17 deal with terms: what they are, and how they are divide into categorematic, abstract and concrete, absolute and connotative, first intention, and second intention. Ockham also introduces the issue of universals here.
2. Chapters 18–25 deal with the five predicables] of Porphyry.
3. Chapters 26–62 deal with the Categories of Aristotle, known to the medieval philosophers as the Praedicamenta. The first chapters of this section concern definition and description, the notions of subject and predicate, the meaning of terms like whole, being and so on. The later chapters deal with the ten Categories themselves, as follows: Substance (42–43), Quantity (44–49), Relation (50–54), Quality (55–56), Action (57), Passion (58), Time (59), Place (60), Position (61), Habit (62).
4. Chapters 63–77 onwards deal with the theory of supposition.