Combining Texts

All the ideas for 'Material Constitution', 'Metaphysical Foundations of Natural Science' and 'Letters to Russell'

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

---

9 ideas

6. Mathematics / A. Nature of Mathematics / 3. Nature of Numbers / g. Real numbers

18253

I wish to go straight from cardinals to reals (as ratios), leaving out the rationals [Frege]

6. Mathematics / C. Sources of Mathematics / 6. Logicism / a. Early logicism

18166

The loss of my Rule V seems to make foundations for arithmetic impossible [Frege]

9. Objects / A. Existence of Objects / 2. Abstract Objects / c. Modern abstracta

18269

Logical objects are extensions of concepts, or ranges of values of functions [Frege]

9. Objects / C. Structure of Objects / 6. Constitution of an Object

16065

Constitution is identity (being in the same place), or it isn't (having different possibilities) [Wasserman]

16067

Constitution is not identity, because it is an asymmetric dependence relation [Wasserman]

16069

There are three main objections to seeing constitution as different from identity [Wasserman]

9. Objects / C. Structure of Objects / 8. Parts of Objects / a. Parts of objects

16068

The weight of a wall is not the weight of its parts, since that would involve double-counting [Wasserman]

9. Objects / F. Identity among Objects / 3. Relative Identity

16074

Relative identity may reject transitivity, but that suggests that it isn't about 'identity' [Wasserman]

14. Science / D. Explanation / 2. Types of Explanation / j. Explanations by reduction

15308

Science is the reduction of diverse forces and powers to a smaller number that explain them [Kant]