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] |
10710 | We accept substance, to avoid infinite backwards chains of meaning [Wittgenstein, by Potter] |
1590 | The just man does not harm his enemies, but benefits everyone [Plato] |