43 ideas
9593 | Progress in philosophy is incremental, not an immature seeking after drama [Williamson] |
22438 | Philosophy is largely concerned with finding the minimum that science could get by with [Quine] |
22270 | Frege changed philosophy by extending logic's ability to check the grounds of thinking [Potter on Frege] |
22436 | Logicians don't paraphrase logic into language, because they think in the symbolic language [Quine] |
8939 | We should not describe human laws of thought, but how to correctly track truth [Frege, by Fisher] |
22431 | Good algorithms and theories need many occurrences of just a few elements [Quine] |
9594 | Correspondence to the facts is a bad account of analytic truth [Williamson] |
22435 | The logician's '→' does not mean the English if-then [Quine] |
4971 | I don't use 'subject' and 'predicate' in my way of representing a judgement [Frege] |
17745 | For Frege, 'All A's are B's' means that the concept A implies the concept B [Frege, by Walicki] |
22433 | It is important that the quantification over temporal entities is timeless [Quine] |
7728 | Frege has a judgement stroke (vertical, asserting or judging) and a content stroke (horizontal, expressing) [Frege, by Weiner] |
16881 | The laws of logic are boundless, so we want the few whose power contains the others [Frege] |
7622 | In 1879 Frege developed second order logic [Frege, by Putnam] |
22437 | Logical languages are rooted in ordinary language, and that connection must be kept [Quine] |
7729 | Frege replaced Aristotle's subject/predicate form with function/argument form [Frege, by Weiner] |
22434 | Reduction to logical forms first simplifies idioms and grammar, then finds a single reading of it [Quine] |
9950 | A quantifier is a second-level predicate (which explains how it contributes to truth-conditions) [Frege, by George/Velleman] |
9991 | For Frege the variable ranges over all objects [Frege, by Tait] |
10536 | Frege's domain for variables is all objects, but modern interpretations first fix the domain [Dummett on Frege] |
7742 | Frege reduced most quantifiers to 'everything' combined with 'not' [Frege, by McCullogh] |
7730 | Frege introduced quantifiers for generality [Frege, by Weiner] |
13824 | Proof theory began with Frege's definition of derivability [Frege, by Prawitz] |
13609 | Frege produced axioms for logic, though that does not now seem the natural basis for logic [Frege, by Kaplan] |
17855 | It may be possible to define induction in terms of the ancestral relation [Frege, by Wright,C] |
10607 | Frege's logic has a hierarchy of object, property, property-of-property etc. [Frege, by Smith,P] |
11008 | Existence is not a first-order property, but the instantiation of a property [Frege, by Read] |
9601 | The realist/anti-realist debate is notoriously obscure and fruitless [Williamson] |
9599 | There cannot be vague objects, so there may be no such thing as a mountain [Williamson] |
9602 | Common sense and classical logic are often simultaneously abandoned in debates on vagueness [Williamson] |
22432 | Normally conditionals have no truth value; it is the consequent which has a conditional truth value [Quine] |
9598 | Modal thinking isn't a special intuition; it is part of ordinary counterfactual thinking [Williamson] |
16536 | Williamson can't base metaphysical necessity on the psychology of causal counterfactuals [Lowe on Williamson] |
9596 | We scorn imagination as a test of possibility, forgetting its role in counterfactuals [Williamson] |
9597 | There are 'armchair' truths which are not a priori, because experience was involved [Williamson] |
9592 | Intuition is neither powerful nor vacuous, but reveals linguistic or conceptual competence [Williamson] |
20181 | When analytic philosophers run out of arguments, they present intuitions as their evidence [Williamson] |
22430 | If we understand a statement, we know the circumstances of its truth [Quine] |
9595 | You might know that the word 'gob' meant 'mouth', but not be competent to use it [Williamson] |
22280 | Frege's account was top-down and decompositional, not bottom-up and compositional [Frege, by Potter] |
9600 | If languages are intertranslatable, and cognition is innate, then cultures are all similar [Williamson] |
13713 | Quine holds time to be 'space-like': past objects are as real as spatially remote ones [Quine, by Sider] |
7741 | The predicate 'exists' is actually a natural language expression for a quantifier [Frege, by Weiner] |