Substance: not inhering in a bearer as an accident does.
Quantity: magnitude or number.
Quality: a sensible or other kind of quality.
Relation: reciprocal reference.
Place: where something is.
Having: a condition from an enveloping item.
Action: producing an effect.
Passion: receiving an effect.
Time: when it is.
Position: arrangement of parts.
Beyond memorizing names, learners must identify the bearer and the specific attribute in an example. The book then turns to the ordering of species and their higher and lower levels.