41 ideas
5750 | Consistency is modal, saying propositions are consistent if they could be true together [Melia] |
5737 | Predicate logic has connectives, quantifiers, variables, predicates, equality, names and brackets [Melia] |
5744 | First-order predicate calculus is extensional logic, but quantified modal logic is intensional (hence dubious) [Melia] |
15105 | F(x) walked into a bar. The barman said.. [Sommers,W] |
5740 | Second-order logic needs second-order variables and quantification into predicate position [Melia] |
5741 | If every model that makes premises true also makes conclusion true, the argument is valid [Melia] |
12408 | Sartre to Waitress: Coffee with no cream, please... [Sommers,W] |
16062 | A necessary relation between fact-levels seems to be a further irreducible fact [Lynch/Glasgow] |
16061 | If some facts 'logically supervene' on some others, they just redescribe them, adding nothing [Lynch/Glasgow] |
12397 | Said Plato: 'The things that we feel... [Sommers,W] |
16060 | Nonreductive materialism says upper 'levels' depend on lower, but don't 'reduce' [Lynch/Glasgow] |
16064 | The hallmark of physicalism is that each causal power has a base causal power under it [Lynch/Glasgow] |
5736 | No sort of plain language or levels of logic can express modal facts properly [Melia] |
5735 | Maybe names and predicates can capture any fact [Melia] |
5746 | The Identity of Indiscernibles is contentious for qualities, and trivial for non-qualities [Melia] |
5738 | We may be sure that P is necessary, but is it necessarily necessary? [Melia] |
5732 | 'De re' modality is about things themselves, 'de dicto' modality is about propositions [Melia] |
5739 | Sometimes we want to specify in what ways a thing is possible [Melia] |
5734 | Possible worlds make it possible to define necessity and counterfactuals without new primitives [Melia] |
5742 | In possible worlds semantics the modal operators are treated as quantifiers [Melia] |
5743 | If possible worlds semantics is not realist about possible worlds, logic becomes merely formal [Melia] |
5749 | Possible worlds could be real as mathematics, propositions, properties, or like books [Melia] |
5751 | The truth of propositions at possible worlds are implied by the world, just as in books [Melia] |
12407 | Barman to Descartes: Would you like another drink?... [Sommers,W] |
12399 | There was a young student called Fred... [Sommers,W] |
20963 | A philosopher and his wife are out for a drive... [Sommers,W] |
12404 | Dear Sir, Your astonishment's odd.... [Sommers,W] |
12403 | There once was a man who said: 'God... [Sommers,W] |
12409 | The philosopher Berkeley once said.. [Sommers,W] |
12402 | ..But if he's a student of Berkeley... [Sommers,W] |
14694 | "My dog's got synaesthesia." How does he smell? ..... [Sommers,W] |
12401 | A toper who spies in the distance... [Sommers,W] |
12410 | There once was a man who said 'Damn!... [Sommers,W] |
9392 | How do behaviourists greet each other? [Sommers,W] |
5748 | We accept unverifiable propositions because of simplicity, utility, explanation and plausibility [Melia] |
12405 | 'If you're aristocratic,' said Nietzsche... [Sommers,W] |
9391 | Why do anarchists drink herbal tea? [Sommers,W] |
12400 | Cries the maid: 'You must marry me Hume!'... [Sommers,W] |
16527 | Causation - we all thought we knew it/ Till Hume came along and saw through it/…. [Sommers,W] |
17592 | The barman called 'Time!', and Augustine said..... [Sommers,W] |
15208 | The past, present and future walked into a bar.... [Sommers,W] |