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| 12274 | Begin examination with basics, and subdivide till you can go no further |
| 12260 | Dialectic starts from generally accepted opinions |
| 12291 | There can't be one definition of two things, or two definitions of the same thing |
| 12292 | Definitions are easily destroyed, since they can contain very many assertions |
| 12283 | In definitions the first term to be assigned ought to be the genus |
| 12272 | We describe the essence of a particular thing by means of its differentiae |
| 12279 | The differentia indicate the qualities, but not the essence |
| 12289 | The genera and the differentiae are part of the essence |
| 12261 | Differentia are generic, and belong with genus |
| 12263 | 'Genus' is part of the essence shared among several things |
| 12285 | The definition is peculiar to one thing, not common to many |
| 11261 | Puzzles arise when reasoning seems equal on both sides |
| 12273 | Unit is the starting point of number |
| 12267 | There are ten categories: essence, quantity, quality, relation, place, time, position, state, activity, passivity |
| 12282 | An individual property has to exist (in past, present or future) |
| 12264 | An 'accident' is something which may possibly either belong or not belong to a thing |
| 12280 | Genus gives the essence better than the differentiae do |
| 13269 | In the case of a house the parts can exist without the whole, so parts are not the whole |
| 12284 | Everything that is has one single essence |
| 12262 | An 'idion' belongs uniquely to a thing, but is not part of its essence |
| 12290 | Destruction is dissolution of essence |
| 12286 | If two things are the same, they must have the same source and origin |
| 12266 | 'Same' is mainly for names or definitions, but also for propria, and for accidents |
| 12287 | Two identical things have the same accidents, they are the same; if the accidents differ, they're different |
| 12288 | Numerical sameness and generic sameness are not the same |
| 12259 | Reasoning is when some results follow necessarily from certain claims |
| 12271 | Induction is the progress from particulars to universals |
| 12293 | We say 'so in cases of this kind', but how do you decide what is 'of this kind'? |
| 12276 | Justice and self-control are better than courage, because they are always useful |
| 12277 | Friendship is preferable to money, since its excess is preferable |
| 12275 | We value friendship just for its own sake |
| 12281 | Man is intrinsically a civilized animal |
| 12265 | All water is the same, because of a certain similarity |
| 12278 | 'Being' and 'oneness' are predicated of everything which exists |