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] |
12716 | The concept of forces or powers best reveals the true concept of substance [Leibniz] |
1556 | By nature people are close to one another, but culture drives them apart [Hippias] |