Combining Texts

All the ideas for 'Abstract Objects: a Case Study', 'On the Algebra of Logic' and 'The Evolution of Co-Operation'

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

---

7 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 / 8. Conditionals / d. Non-truthfunction conditionals

14303

Truth-functional conditionals have a simple falsification, when A is true and B is false [Peirce]

23. Ethics / B. Contract Ethics / 8. Contract Strategies

22725

When players don't meet again, defection is the best strategy [Axelrod]

22724

Good strategies avoid conflict, respond to hostility, forgive, and are clear [Axelrod]