Combining Texts

All the ideas for 'Abstract Objects: a Case Study', 'The Problem of Counterfactual Conditionals' and 'The Evolution of Physics'

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

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6 ideas

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]

10. Modality / B. Possibility / 9. Counterfactuals

12191

Counterfactuals are true if logical or natural laws imply the consequence [Goodman, by McFetridge]

27. Natural Reality / B. Modern Physics / 2. Electrodynamics / b. Fields

18202

The concept of a field gradually replaced the substances in explaining relations between charges [Einstein/Infeld]