5 ideas
10304 | Very few things in set theory remain valid in intuitionist mathematics [Bernays] |
10303 | Restricted Platonism is just an ideal projection of a domain of thought [Bernays] |
10306 | Mathematical abstraction just goes in a different direction from logic [Bernays] |
6457 | Sensations are mental, but sense-data could be mind-independent [Vesey] |
16861 | A false theory could hardly rival the explanatory power of natural selection [Darwin] |