6 ideas
10580 | Mathematics is both necessary and a priori because it really consists of logical truths [Yablo] |
10579 | Putting numbers in quantifiable position (rather than many quantifiers) makes expression easier [Yablo] |
10577 | Concrete objects have few essential properties, but properties of abstractions are mostly essential [Yablo] |
10578 | We are thought to know concreta a posteriori, and many abstracta a priori [Yablo] |
5451 | Popper felt that ancient essentialism was a bar to progress [Popper, by Mautner] |
5974 | People report seeing through rocks, or over the horizon, or impossibly small works [Plutarch] |