18 ideas
| 8378 | Philosophers usually learn science from each other, not from science [Russell] |
| 21054 | Reason enables the unbounded extension of our rules and intentions [Kant] |
| 11970 | Logicians like their entities to exhibit a maximum degree of purity [Kaplan] |
| 11969 | Models nicely separate particulars from their clothing, and logicians often accept that metaphysically [Kaplan] |
| 8375 | 'Necessary' is a predicate of a propositional function, saying it is true for all values of its argument [Russell] |
| 11971 | The simplest solution to transworld identification is to adopt bare particulars [Kaplan] |
| 11973 | Unusual people may have no counterparts, or several [Kaplan] |
| 11972 | Essence is a transworld heir line, rather than a collection of properties [Kaplan] |
| 21053 | The manifest will in the world of phenomena has to conform to the laws of nature [Kant] |
| 11967 | Sentences might have the same sense when logically equivalent - or never have the same sense [Kaplan] |
| 21055 | Our aim is a constitution which combines maximum freedom with strong restraint [Kant] |
| 21056 | The vitality of business needs maximum freedom (while avoiding harm to others) [Kant] |
| 21057 | The highest ideal of social progress is a universal cosmopolitan existence [Kant] |
| 4396 | The law of causality is a source of confusion, and should be dropped from philosophy [Russell] |
| 8376 | If causes are contiguous with events, only the last bit is relevant, or the event's timing is baffling [Russell] |
| 8380 | Striking a match causes its igniting, even if it sometimes doesn't work [Russell] |
| 8379 | In causal laws, 'events' must recur, so they have to be universals, not particulars [Russell] |
| 8381 | The constancy of scientific laws rests on differential equations, not on cause and effect [Russell] |