Organon (Owen)/Topics/Book 7

Chap. 1. Of the Question whether a Thing be the same or different.
 * 1.1. Identity proved by cases, conjugates, opposites, efficients, and corruptives.
 * 1.2. Observe whether wherein the the thing is prevalent, the other also is.
 * 1.3. Whether each is equivalent to the same third thing.
 * 1.4. If the accidents are the same.
 * 1.5. If both be in the same category, the same genus, and have the same differences.
 * 1.6. If both be simultaneously increased and diminished.
 * 1.7. If both are equal, having undergone the same accession or diminution.
 * 1.8. Whether the consequences of both, upon a given hypothesis, be discrepant.
 * 1.9. Whether the same things may be predicated of each.
 * 1.10. Whether they are the same generically, or specifically, not numerically.
 * 1.11. Whether one can subsist without the other.

Chap. 2. Distinction between Confirmative and Subversive Places of Definition.
 * 2.1. The topics of the last chapter useful for subversion, not for confirmation of, definition.

Chap. 3. Of Topics suitable to confirming Definition.
 * 3.1. Method of confirming definition.
 * 3.2. How genus and difference, are to be elicited from contraries; so that the definition itself, may be constructed from the definition of the contrary.
 * 3.3. How to employ cases, and derivatives, for the construction of definition.
 * 3.4. And those things also, which have mutual similar subsistence.
 * 3.5. How the comparison of other definitions, conduces to the formation of definition.

Chap. 4. That the Places already mentioned, are the most appropriate of all.
 * 4.1. What places are especially useful.

Chap. 5. Of Confirmation and Subversion of Definition.
 * 5.1. Reason why definition is more easily subverted, than constructed.
 * 5.2. The same to be said of property.
 * 5.3. Also of genus.
 * 5.4. Accident, if universal, more easily subverted; if particular, more easily confirmed.
 * 5.5. Definition of all things most easily destroyed, most hardly confirmed.
 * 5.6. Of all the remainder, property is the easiest of subversion.
 * 5.7. Accident, of all, most difficult of subversion, and most easily confirmed.

