5 ideas
9879 | NF has no models, but just blocks the comprehension axiom, to avoid contradictions [Quine, by Dummett] |
22329 | Logic is highly general truths abstracted from reality [Russell, by Glock] |
2614 | Modern phenomenalism holds that objects are logical constructions out of sense-data [Ayer] |
2615 | The concept of sense-data allows us to discuss appearances without worrying about reality [Ayer] |
21569 | It is good to generalise truths as much as possible [Russell] |