53 ideas
8605 | In addition to analysis of a concept, one can deny it, or accept it as primitive [Lewis] |
1708 | In "Callias is just/not just/unjust", which of these are contraries? [Aristotle] |
1703 | It is necessary that either a sea-fight occurs tomorrow or it doesn't, though neither option is in itself necessary [Aristotle] |
1704 | Statements are true according to how things actually are [Aristotle] |
22272 | Aristotle's later logic had to treat 'Socrates' as 'everything that is Socrates' [Potter on Aristotle] |
9405 | Square of Opposition: not both true, or not both false; one-way implication; opposite truth-values [Aristotle] |
9728 | Modal Square 1: □P and ¬◊¬P are 'contraries' of □¬P and ¬◊P [Aristotle, by Fitting/Mendelsohn] |
9729 | Modal Square 2: ¬□¬P and ◊P are 'subcontraries' of ¬□P and ◊¬P [Aristotle, by Fitting/Mendelsohn] |
9730 | Modal Square 3: □P and ¬◊¬P are 'contradictories' of ¬□P and ◊¬P [Aristotle, by Fitting/Mendelsohn] |
9731 | Modal Square 4: □¬P and ¬◊P are 'contradictories' of ¬□¬P and ◊P [Aristotle, by Fitting/Mendelsohn] |
9732 | Modal Square 5: □P and ¬◊¬P are 'subalternatives' of ¬□¬P and ◊P [Aristotle, by Fitting/Mendelsohn] |
9733 | Modal Square 6: □¬P and ¬◊P are 'subalternatives' of ¬□P and ◊¬P [Aristotle, by Fitting/Mendelsohn] |
21593 | In talking of future sea-fights, Aristotle rejects bivalence [Aristotle, by Williamson] |
1701 | A prayer is a sentence which is neither true nor false [Aristotle] |
1706 | Non-existent things aren't made to exist by thought, because their non-existence is part of the thought [Aristotle] |
1707 | Maybe necessity and non-necessity are the first principles of ontology [Aristotle] |
8607 | Supervenience is reduction without existence denials, ontological priorities, or translatability [Lewis] |
8606 | A supervenience thesis is a denial of independent variation [Lewis] |
8580 | Materialism is (roughly) that two worlds cannot differ without differing physically [Lewis] |
8571 | Universals are wholly present in their instances, whereas properties are spread around [Lewis] |
10717 | Natural properties figure in the analysis of similarity in intrinsic respects [Lewis, by Oliver] |
16217 | Lewisian natural properties fix reference of predicates, through a principle of charity [Lewis, by Hawley] |
8613 | Objects are demarcated by density and chemistry, and natural properties belong in what is well demarcated [Lewis] |
8585 | Reference partly concerns thought and language, partly eligibility of referent by natural properties [Lewis] |
8586 | Natural properties tend to belong to well-demarcated things, typically loci of causal chains [Lewis] |
8589 | For us, a property being natural is just an aspect of its featuring in the contents of our attitudes [Lewis] |
15460 | All perfectly natural properties are intrinsic [Lewis, by Lewis] |
15726 | Natural properties fix resemblance and powers, and are picked out by universals [Lewis] |
7031 | Lewis says properties are sets of actual and possible objects [Lewis, by Heil] |
8572 | Any class of things is a property, no matter how whimsical or irrelevant [Lewis] |
18433 | There are far more properties than any brain could ever encodify [Lewis] |
8604 | We need properties as semantic values for linguistic expressions [Lewis] |
14499 | Properties are classes of possible and actual concrete particulars [Lewis, by Koslicki] |
15120 | Lewisian properties have powers because of their relationships to other properties [Lewis, by Hawthorne] |
8573 | Most properties are causally irrelevant, and we can't spot the relevant ones. [Lewis] |
8569 | I suspend judgements about universals, but their work must be done [Lewis] |
21961 | Physics aims to discover which universals actually exist [Lewis, by Moore,AW] |
8576 | The One over Many problem (in predication terms) deserves to be neglected (by ostriches) [Lewis] |
8570 | To have a property is to be a member of a class, usually a class of things [Lewis] |
8574 | Class Nominalism and Resemblance Nominalism are pretty much the same [Lewis] |
8579 | Psychophysical identity implies the possibility of idealism or panpsychism [Lewis] |
2337 | For Aristotle meaning and reference are linked to concepts [Aristotle, by Putnam] |
13763 | Spoken sounds vary between people, but are signs of affections of soul, which are the same for all [Aristotle] |
1705 | It doesn't have to be the case that in opposed views one is true and the other false [Aristotle] |
8614 | A sophisticated principle of charity sometimes imputes error as well as truth [Lewis] |
8615 | We need natural properties in order to motivate the principle of charity [Lewis] |
8608 | Counterfactuals 'backtrack' if a different present implies a different past [Lewis] |
8584 | Causal counterfactuals must avoid backtracking, to avoid epiphenomena and preemption [Lewis] |
8581 | Physics discovers laws and causal explanations, and also the natural properties required [Lewis] |
15727 | Physics aims for a list of natural properties [Lewis] |
8611 | A law of nature is any regularity that earns inclusion in the ideal system [Lewis] |
1702 | Things may be necessary once they occur, but not be unconditionally necessary [Aristotle] |
1513 | The Egyptians were the first to say the soul is immortal and reincarnated [Herodotus] |