70 ideas
23917 | Contrary statements can both be reasonable, if they are meant in two different ways [Aristotle] |
7689 | The modal logic of C.I.Lewis was only interpreted by Kripke and Hintikka in the 1960s [Jacquette] |
7681 | Logic describes inferences between sentences expressing possible properties of objects [Jacquette] |
7682 | Logic is not just about signs, because it relates to states of affairs, objects, properties and truth-values [Jacquette] |
7697 | On Russell's analysis, the sentence "The winged horse has wings" comes out as false [Jacquette] |
7701 | Can a Barber shave all and only those persons who do not shave themselves? [Jacquette] |
10580 | Mathematics is both necessary and a priori because it really consists of logical truths [Yablo] |
10579 | Putting numbers in quantifiable position (rather than many quantifiers) makes expression easier [Yablo] |
7707 | To grasp being, we must say why something exists, and why there is one world [Jacquette] |
7692 | Being is maximal consistency [Jacquette] |
7687 | Existence is completeness and consistency [Jacquette] |
10578 | We are thought to know concreta a posteriori, and many abstracta a priori [Yablo] |
10577 | Concrete objects have few essential properties, but properties of abstractions are mostly essential [Yablo] |
7679 | Ontology is the same as the conceptual foundations of logic [Jacquette] |
7678 | Ontology must include the minimum requirements for our semantics [Jacquette] |
7683 | Logic is based either on separate objects and properties, or objects as combinations of properties [Jacquette] |
7684 | Reduce states-of-affairs to object-property combinations, and possible worlds to states-of-affairs [Jacquette] |
7703 | If classes can't be eliminated, and they are property combinations, then properties (universals) can't be either [Jacquette] |
5869 | The thesis of the Form of the Good (or of anything else) is verbal and vacuous [Aristotle] |
7685 | An object is a predication subject, distinguished by a distinctive combination of properties [Jacquette] |
7699 | Numbers, sets and propositions are abstract particulars; properties, qualities and relations are universals [Jacquette] |
22505 | The two right angles of a triangle necessitate that a quadrilateral has four [Aristotle] |
7691 | The actual world is a consistent combination of states, made of consistent property combinations [Jacquette] |
7688 | The actual world is a maximally consistent combination of actual states of affairs [Jacquette] |
7695 | Do proposition-structures not associated with the actual world deserve to be called worlds? [Jacquette] |
7694 | We must experience the 'actual' world, which is defined by maximally consistent propositions [Jacquette] |
22513 | Knowing is having knowledge; understanding is using knowledge [Aristotle] |
7706 | If qualia supervene on intentional states, then intentional states are explanatorily fundamental [Jacquette] |
23906 | Courage from spirit is natural and unconquerable, as seen in the young [Aristotle] |
20204 | Whether the mind has parts is irrelevant, since it obviously has distinct capacities [Aristotle] |
22506 | A man is the cause of what is within his power, and what he causes is in his power [Aristotle] |
22504 | Only a human being can be a starting point for an action [Aristotle] |
7704 | Reduction of intentionality involving nonexistent objects is impossible, as reduction must be to what is actual [Jacquette] |
22510 | Some emotional states are too strong for human nature [Aristotle] |
23913 | Nearly all the good and bad states of character are concerned with feelings [Aristotle] |
7702 | The extreme views on propositions are Frege's Platonism and Quine's extreme nominalism [Jacquette] |
23918 | Akrasia is the clash of two feelings - goodness and pleasure [Aristotle] |
22515 | Choice results when deliberation brings together an opinion with an inclination [Aristotle] |
22508 | Unlike in inanimate things, in animate things actions have more than one starting point [Aristotle] |
22514 | The deliberative part of the soul discerns explanatory causes [Aristotle] |
22507 | An action is voluntary when it is accompanied by thought of some kind [Aristotle] |
23319 | We are responsible if our actions reflect our motivation [Aristotle, by Frede,M] |
22512 | Acts are voluntary if done knowingly, by the agent, and in his power to avoid it [Aristotle] |
22509 | What is natural for us is either there at birth, or appears by normal processes [Aristotle] |
18230 | No one would choose life just for activities not done for their own sake [Aristotle] |
23909 | Wearing a shoe is its intrinsic use, and selling it (as a shoe) is its coincidental use [Aristotle] |
5870 | Everything seeks, not a single good, but its own separate good [Aristotle] |
5877 | We judge people from their deeds because we cannot see their choices (which matter more) [Aristotle] |
5868 | Horses, birds and fish are not happy, lacking a divine aspect to their natures [Aristotle] |
5865 | Happiness involves three things, of which the greatest is either wisdom, virtue, or pleasure [Aristotle] |
5876 | Virtue is different from continence [Aristotle] |
5872 | Excellence is the best state of anything (like a cloak) which has an employment or function [Aristotle] |
5874 | Character virtues (such as courage) are of the non-rational part, which follows the rational part [Aristotle] |
22516 | Character is shown by what is or is not enjoyed, and virtue chooses the mean among them [Aristotle] |
22517 | We judge character not by their actions, but by their reasons for actions [Aristotle] |
5875 | Character (éthos) is developed from habit (ethos) [Aristotle] |
23914 | People sometimes exhibit both extremes together, but the mean is contrary to both of them [Aristotle] |
23911 | Possessors of a virtue tend to despise what reason shows to be its opposite [Aristotle] |
23910 | Greatness of soul produces all the virtues - and vice versa [Aristotle] |
23908 | If someone just looks at or listens to beautiful things, they would not be thought intemperate [Aristotle] |
23905 | Courage follows reason, which tells us to choose what is noble [Aristotle] |
23912 | Honour depends on what it is for, and whether it is bestowed by worthy people [Aristotle] |
5871 | Goods in the soul are more worthy than those outside it, as everybody wants them [Aristotle] |
23920 | Decent people can be friends with base people [Aristotle] |
23919 | Friendship cannot be immediate; it takes time, and needs testing [Aristotle] |
23915 | The main function of politics is to produce friendship [Aristotle] |
23916 | The best cure for mutual injustice is friendship [Aristotle] |
5866 | It is folly not to order one's life around some end [Aristotle] |
5878 | Eyes could be used for a natural purpose, or for unnatural seeing, or for a non-seeing activity [Aristotle] |
5873 | Each thing's function is its end [Aristotle] |