11 ideas
15527 | Defining terms either enables elimination, or shows that they don't require elimination [Lewis] |
15530 | A logically determinate name names the same thing in every possible world [Lewis] |
15531 | The Ramsey sentence of a theory says that it has at least one realisation [Lewis] |
15528 | A Ramsey sentence just asserts that a theory can be realised, without saying by what [Lewis] |
15526 | There is a method for defining new scientific terms just using the terms we already understand [Lewis] |
15529 | It is better to have one realisation of a theory than many - but it may not always be possible [Lewis] |
21375 | Reason can be vicious, and great crimes have to be rational [Schopenhauer] |
21379 | Man's three basic ethical incentives are egoism, malice and compassion [Schopenhauer] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
21376 | Philosophy treats animals as exploitable things, ignoring the significance of their lives [Schopenhauer] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |