46 ideas
12274 | Begin examination with basics, and subdivide till you can go no further [Aristotle] |
12260 | Dialectic starts from generally accepted opinions [Aristotle] |
12291 | There can't be one definition of two things, or two definitions of the same thing [Aristotle] |
12292 | Definitions are easily destroyed, since they can contain very many assertions [Aristotle] |
12272 | We describe the essence of a particular thing by means of its differentiae [Aristotle] |
12279 | The differentia indicate the qualities, but not the essence [Aristotle] |
12283 | In definitions the first term to be assigned ought to be the genus [Aristotle] |
12289 | The genera and the differentiae are part of the essence [Aristotle] |
12261 | Differentia are generic, and belong with genus [Aristotle] |
12263 | 'Genus' is part of the essence shared among several things [Aristotle] |
12285 | The definition is peculiar to one thing, not common to many [Aristotle] |
11261 | Puzzles arise when reasoning seems equal on both sides [Aristotle] |
12273 | Unit is the starting point of number [Aristotle] |
12267 | There are ten categories: essence, quantity, quality, relation, place, time, position, state, activity, passivity [Aristotle] |
12282 | An individual property has to exist (in past, present or future) [Aristotle] |
12264 | An 'accident' is something which may possibly either belong or not belong to a thing [Aristotle] |
12280 | Genus gives the essence better than the differentiae do [Aristotle] |
13269 | In the case of a house the parts can exist without the whole, so parts are not the whole [Aristotle] |
12284 | Everything that is has one single essence [Aristotle] |
12262 | An 'idion' belongs uniquely to a thing, but is not part of its essence [Aristotle] |
12290 | Destruction is dissolution of essence [Aristotle] |
12286 | If two things are the same, they must have the same source and origin [Aristotle] |
12266 | 'Same' is mainly for names or definitions, but also for propria, and for accidents [Aristotle] |
12287 | Two identical things have the same accidents, they are the same; if the accidents differ, they're different [Aristotle] |
12288 | Numerical sameness and generic sameness are not the same [Aristotle] |
12259 | Reasoning is when some results follow necessarily from certain claims [Aristotle] |
20189 | Belief is a feeling, independent of the will, which arises from uncontrolled and unknown causes [Hume] |
21309 | A proposition cannot be intelligible or consistent, if the perceptions are not so [Hume] |
12271 | Induction is the progress from particulars to universals [Aristotle] |
12293 | We say 'so in cases of this kind', but how do you decide what is 'of this kind'? [Aristotle] |
15755 | Hume needs a notion which includes degrees of resemblance [Shoemaker on Hume] |
5323 | Experiences are logically separate, but factually linked by simultaneity or a feeling of continuousness [Ayer on Hume] |
21311 | Are self and substance the same? Then how can self remain if substance changes? [Hume] |
21312 | Perceptions are distinct, so no connection between them can ever be discovered [Hume] |
21308 | We have no impression of the self, and we therefore have no idea of it [Hume] |
21310 | Does an oyster with one perception have a self? Would lots of perceptions change that? [Hume] |
23115 | We have no natural love of mankind, other than through various relationships [Hume] |
3031 | The greatest good is not the achievement of desire, but to desire what is proper [Menedemus, by Diog. Laertius] |
12277 | Friendship is preferable to money, since its excess is preferable [Aristotle] |
12276 | Justice and self-control are better than courage, because they are always useful [Aristotle] |
12275 | We value friendship just for its own sake [Aristotle] |
12281 | Man is intrinsically a civilized animal [Aristotle] |
12265 | All water is the same, because of a certain similarity [Aristotle] |
16946 | Causation is just invariance, as long as it is described in general terms [Quine on Hume] |
15250 | If impressions, memories and ideas only differ in vivacity, nothing says it is memory, or repetition [Whitehead on Hume] |
12278 | 'Being' and 'oneness' are predicated of everything which exists [Aristotle] |