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] |
22040 | Freedom is produced by the activity of the mind, and is not intrinsically given [Hegel] |
22039 | Geist is distinct from nature, not as a substance, but because of its normativity [Hegel, by Pinkard] |