Combining Texts

All the ideas for 'Abstract Objects: a Case Study', 'On 'The Beginning of Philosophy'' and 'works'

expand these ideas     |    start again     |     specify just one area for these texts

---

6 ideas

1. Philosophy / D. Nature of Philosophy / 3. Philosophy Defined

19456

Philosophy is distinguished from other sciences by its complete lack of presuppositions [Feuerbach]

5. Theory of Logic / G. Quantification / 4. Substitutional Quantification

10800

The values of variables can't determine existence, because they are just expressions [Ryle, by Quine]

6. Mathematics / C. Sources of Mathematics / 6. Logicism / c. Neo-logicism

10580

Mathematics is both necessary and a priori because it really consists of logical truths [Yablo]

6. Mathematics / C. Sources of Mathematics / 9. Fictional Mathematics

10579

Putting numbers in quantifiable position (rather than many quantifiers) makes expression easier [Yablo]

7. Existence / C. Structure of Existence / 7. Abstract/Concrete / a. Abstract/concrete

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]