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] |
20057 | Philosophy of action studies the roles of psychological states in causing behaviour [Mele] |
8120 | Objects can be beautiful which express nothing at all, such as the rainbow [Herbart, by Tolstoy] |