Combining Texts

All the ideas for 'Abstract Objects: a Case Study', 'Ontological Ground of Alethic Modality' and 'Definitiones cogitationesque metaphysicae'

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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
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]
9. Objects / B. Unity of Objects / 2. Substance / d. Substance defined
12712 Substance is that which can act [Leibniz]
10. Modality / E. Possible worlds / 1. Possible Worlds / e. Against possible worlds
9220 Lewis must specify that all possibilities are in his worlds, making the whole thing circular [Shalkowski, by Sider]
14. Science / D. Explanation / 3. Best Explanation / b. Ultimate explanation
12737 Nature can be fully explained by final causes alone, or by efficient causes alone [Leibniz]