5 ideas
22593 | Our sensation of light may not be the same as what produces the sensation [Descartes] |
5880 | Xenocrates held that the soul had no form or substance, but was number [Xenocrates, by Cicero] |
16569 | The Hot, Cold, Wet and Dry of the philosophers need themselves to be explained [Descartes] |
8409 | Probabilistic causal concepts are widely used in everyday life and in science [Salmon] |
20964 | Descartes said there was conservation of 'quantity of motion' [Descartes, by Papineau] |