Combining Texts

All the ideas for 'Abstract Objects: a Case Study', 'Sociobiology' and 'Symbolic Logic (with Langford)'

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6 ideas

6. Mathematics / C. Sources of Mathematics / 6. Logicism / c. Neo-logicism
Mathematics is both necessary and a priori because it really consists of logical truths [Yablo]
6. Mathematics / C. Sources of Mathematics / 9. Fictional Mathematics
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
Concrete objects have few essential properties, but properties of abstractions are mostly essential [Yablo]
We are thought to know concreta a posteriori, and many abstracta a priori [Yablo]
10. Modality / B. Possibility / 8. Conditionals / a. Conditionals
Modal logic began with translation difficulties for 'If...then' [Lewis,CI, by Girle]
22. Metaethics / A. Ethics Foundations / 2. Source of Ethics / d. Biological ethics
Genetic behaviours that have enhanced human success include aggression, rape and xenophobia [Wilson,EO, by Okasha]