Combining Texts

All the ideas for 'Abstract Objects: a Case Study', 'Realism, Mathematics and Modality' and 'Brain Bisection and Unity of Consciousness'

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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
8714 Fictionalists say 2+2=4 is true in the way that 'Oliver Twist lived in London' is true [Field,H]
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]
15. Nature of Minds / A. Nature of Mind / 5. Unity of Mind
2957 Brain bisection suggests unity of mind isn't all-or-nothing [Nagel, by Lockwood]
16. Persons / B. Nature of the Self / 4. Presupposition of Self
3285 We may be unable to abandon personal identity, even when split-brains have undermined it [Nagel]