5 ideas
17743 | De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki] |
20363 | Leaves are unequal, but we form the concept 'leaf' by discarding their individual differences [Nietzsche] |
6866 | It is disturbing if we become unreal when we die, but if time is unreal, then we remain real after death [Le Poidevin] |
6867 | Existentialism focuses on freedom and self-making, and insertion into the world [Le Poidevin] |
6865 | A-theory says past, present, future and flow exist; B-theory says this just reports our perspective [Le Poidevin] |