23 ideas
22438 | Philosophy is largely concerned with finding the minimum that science could get by with [Quine] |
22436 | Logicians don't paraphrase logic into language, because they think in the symbolic language [Quine] |
22431 | Good algorithms and theories need many occurrences of just a few elements [Quine] |
22435 | The logician's '→' does not mean the English if-then [Quine] |
22433 | It is important that the quantification over temporal entities is timeless [Quine] |
9193 | ZF set theory has variables which range over sets, 'equals' and 'member', and extensionality [Dummett] |
9194 | The main alternative to ZF is one which includes looser classes as well as sets [Dummett] |
22437 | Logical languages are rooted in ordinary language, and that connection must be kept [Quine] |
9195 | Intuitionists reject excluded middle, not for a third value, but for possibility of proof [Dummett] |
22434 | Reduction to logical forms first simplifies idioms and grammar, then finds a single reading of it [Quine] |
9186 | First-order logic concerns objects; second-order adds properties, kinds, relations and functions [Dummett] |
9187 | Logical truths and inference are characterized either syntactically or semantically [Dummett] |
9191 | Ordinals seem more basic than cardinals, since we count objects in sequence [Dummett] |
9192 | The number 4 has different positions in the naturals and the wholes, with the same structure [Dummett] |
22432 | Normally conditionals have no truth value; it is the consequent which has a conditional truth value [Quine] |
6375 | The taste of chocolate is a 'finer-grained' sensation than the taste of sweetness [Polger] |
6381 | The mind and the self are one, and the mind-self is a biological phenomenon [Polger] |
6378 | Teleological functions explain why a trait exists; causal-role functions say what it does [Polger] |
6380 | Identity theory says consciousness is an abstraction: a state, event, process or property [Polger] |
22430 | If we understand a statement, we know the circumstances of its truth [Quine] |
6379 | A mummified heart has the teleological function of circulating blood [Polger] |
6377 | Teleological notions of function say what a thing is supposed to do [Polger] |
13713 | Quine holds time to be 'space-like': past objects are as real as spatially remote ones [Quine, by Sider] |