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] |
14963 | Surely the past phases of a thing are not parts of the thing? [Broad] |
12709 | Motion is not absolute, but consists in relation [Leibniz] |