8 ideas
10245 | One geometry cannot be more true than another [Poincaré] |
6402 | In 1927, Russell analysed force and matter in terms of events [Russell, by Grayling] |
14732 | A perceived physical object is events grouped around a centre [Russell] |
14733 | An object produces the same percepts with or without a substance, so that is irrelevant to science [Russell] |
10990 | Conditionals are truth-functional, but unassertable in tricky cases? [Grice, by Read] |
6418 | Russell rejected phenomenalism because it couldn't account for causal relations [Russell, by Grayling] |
10991 | Key conversational maxims are 'quality' (assert truth) and 'quantity' (leave nothing out) [Grice, by Read] |
21706 | At first matter is basic and known by sense-data; later Russell says matter is constructed [Russell, by Linsky,B] |