5 ideas
9212 | Possible states of affairs are not propositions; a proposition can't be a state of affairs! [Fine,K] |
9213 | The actual world is a possible world, so we can't define possible worlds as 'what might have been' [Fine,K] |
13165 | Geometrical proofs do not show causes, as when we prove a triangle contains two right angles [Proclus] |
7439 | The qualities involved in sensations are entirely intentional [Anscombe, by Armstrong] |
9569 | The origin of geometry started in sensation, then moved to calculation, and then to reason [Proclus] |