11 ideas
5515 | Imaginary cases are good for revealing our beliefs, rather than the truth [Parfit] |
5516 | Reduction can be by identity, or constitution, or elimination [Parfit, by PG] |
5514 | Psychologists are interested in identity as a type of person, but philosophers study numerical identity [Parfit] |
5521 | If my brain-halves are transplanted into two bodies, I have continuity, and don't need identity [Parfit] |
5522 | Over a period of time what matters is not that 'I' persist, but that I have psychological continuity [Parfit] |
5519 | It is fine to save two dying twins by merging parts of their bodies into one, and identity is irrelevant [Parfit] |
5520 | If two humans are merged surgically, the new identity is a purely verbal problem [Parfit] |
5518 | It doesn't matter whether I exist with half my components replaced (any more than an audio system) [Parfit] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
19673 | Galileo mathematised movement, and revealed its invariable component - acceleration [Galileo, by Meillassoux] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |