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] |
12887 | A whole must have one characteristic, an internal relation, and a structure [Rescher/Oppenheim] |
1497 | For Anaximenes nature is air, which takes different forms by rarefaction and condensation [Anaximenes, by Simplicius] |