66 ideas
1502 | Parmenides was much more cautious about accepting ideas than his predecessors [Simplicius on Parmenides] |
15845 | It seems absurd that seeing a person's limbs, the one is many, and yet the many are one [Plato] |
9867 | It is absurd to define a circle, but not be able to recognise a real one [Plato] |
9865 | Daily arithmetic counts unequal things, but pure arithmetic equalises them [Plato] |
449 | Being is not divisible, since it is all alike [Parmenides] |
448 | No necessity could produce Being either later or earlier, so it must exist absolutely or not at all [Parmenides] |
447 | Being must be eternal and uncreated, and hence it is timeless [Parmenides] |
445 | The realm of necessary non-existence cannot be explored, because it is unknowable [Parmenides] |
1503 | There is no such thing as nothing [Parmenides] |
21820 | Parmenides at least saw Being as the same as Nous, and separate from the sensed realm [Parmenides, by Plotinus] |
452 | All our concepts of change and permanence are just names, not the truth [Parmenides] |
14503 | If a mixture does not contain measure and proportion, it is corrupted and destroyed [Plato] |
15857 | Any mixture which lacks measure and proportion doesn't even count as a mixture at all [Plato] |
4447 | If the good is one, is it unchanged when it is in particulars, and is it then separated from itself? [Plato] |
15856 | A thing can become one or many, depending on how we talk about it [Plato] |
374 | If one object is divided into its parts, someone can then say that one are many and many is one [Plato] |
1504 | Something must be unchanging to make recognition and knowledge possible [Aristotle on Parmenides] |
444 | The first way of enquiry involves necessary existence [Parmenides] |
450 | Necessity sets limits on being, in order to give it identity [Parmenides] |
389 | How can you be certain about aspects of the world if they aren't constant? [Plato] |
451 | Thinking implies existence, because thinking depends on it [Parmenides] |
1506 | Parmenides treats perception and intellectual activity as the same [Theophrastus on Parmenides] |
3058 | Only reason can prove the truth of facts [Parmenides] |
390 | If goodness involves moderation and proportion, then it seems to be found in beauty [Plato] |
23110 | Human injustice is not a permanent feature of communities [Rawls] |
391 | The good involves beauty, proportion and truth [Plato] |
392 | Neither intellect nor pleasure are the good, because they are not perfect and self-sufficient [Plato] |
393 | Good first, then beauty, then reason, then knowledge, then pleasure [Plato, by PG] |
15676 | Rawls defends the priority of right over good [Rawls, by Finlayson] |
385 | Some of the pleasures and pains we feel are false [Plato] |
387 | A small pure pleasure is much finer than a large one contaminated with pain [Plato] |
373 | Pleasure is certainly very pleasant, but it doesn't follow that all pleasures are good [Plato] |
382 | It is unlikely that the gods feel either pleasure or pain [Plato] |
371 | Reason, memory, truth and wisdom are far better than pleasure, for those who can attain them [Plato] |
376 | Would you prefer a life of pleasure without reason, or one of reason without pleasure? [Plato] |
379 | The good must be sufficient and perfect, and neither intellect nor pleasure are that [Plato] |
381 | We feel pleasure when we approach our natural state of harmony [Plato] |
386 | Intense pleasure and pain are not felt in a good body, but in a worthless one [Plato] |
377 | If you lived a life of maximum pleasure, would you still be lacking anything? [Plato] |
378 | A life of pure pleasure with no intellect is the life of a jellyfish [Plato] |
388 | Hedonists must say that someone in pain is bad, even if they are virtuous [Plato] |
4123 | A fair arrangement is one that parties can agree to without knowing how it will benefit them personally [Rawls, by Williams,B] |
3279 | Utilitarianism inappropriately scales up the individual willingness to make sacrifices [Rawls, by Nagel] |
20552 | The original position models the idea that citizens start as free and equal [Rawls, by Swift] |
3280 | Why does the rational agreement of the 'Original Position' in Rawls make it right? [Nagel on Rawls] |
18636 | Choose justice principles in ignorance of your own social situation [Rawls] |
18631 | All desirable social features should be equal, unless inequality favours the disadvantaged [Rawls] |
20538 | Utilitarians lump persons together; Rawls somewhat separates them; Nozick wholly separates them [Swift on Rawls] |
9277 | Rawls's account of justice relies on conventional fairness, avoiding all moral controversy [Gray on Rawls] |
20527 | Liberty Principle: everyone has an equal right to liberties, if compatible with others' liberties [Rawls] |
21018 | The social contract has problems with future generations, national boundaries, disabilities and animals [Rawls, by Nussbaum] |
21041 | Justice concerns not natural distributions, or our born location, but what we do about them [Rawls] |
23583 | If an aggression is unjust, the constraints on how it is fought are much stricter [Rawls] |
555 | People who say that the cosmos is one forget that they must explain movement [Aristotle on Parmenides] |
226 | The one is without any kind of motion [Parmenides] |
5081 | There could be movement within one thing, as there is within water [Aristotle on Parmenides] |
1509 | The one can't be divisible, because if it was it could be infinitely divided down to nothing [Parmenides, by Simplicius] |
20900 | Defenders of the One say motion needs the void - but that is not part of Being [Parmenides, by Aristotle] |
1505 | Reason sees reality as one, the senses see it as many [Aristotle on Parmenides] |
453 | Reality is symmetrical and balanced, like a sphere, with no reason to be greater one way rather than another [Parmenides] |
1792 | He taught that there are two elements, fire the maker, and earth the matter [Parmenides, by Diog. Laertius] |
5115 | It is feeble-minded to look for explanations of everything being at rest [Aristotle on Parmenides] |
13217 | The void can't exist, and without the void there can't be movement or separation [Parmenides, by Aristotle] |
22918 | What could have triggered the beginning [of time and being]? [Parmenides] |
1794 | He was the first to discover the identity of the Morning and Evening Stars [Parmenides, by Diog. Laertius] |
1791 | He was the first person to say the earth is spherical [Parmenides, by Diog. Laertius] |