Combining Texts

All the ideas for 'Universal Arithmetick', 'Logic as Semiotic: Theory of Signs' and 'A Pragmatic Conception of the A Priori'

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9 ideas

5. Theory of Logic / A. Overview of Logic / 1. Overview of Logic

9358	There are several logics, none of which will ever derive falsehoods from truth [Lewis,CI]

5. Theory of Logic / D. Assumptions for Logic / 2. Excluded Middle

9357	Excluded middle is just our preference for a simplified dichotomy in experience [Lewis,CI]

5. Theory of Logic / F. Referring in Logic / 1. Naming / a. Names

9364	Names represent a uniformity in experience, or they name nothing [Lewis,CI]

6. Mathematics / B. Foundations for Mathematics / 5. Definitions of Number / b. Greek arithmetic

17783

A number is not a multitude, but a unified ratio between quantities [Newton]

10. Modality / A. Necessity / 11. Denial of Necessity

9362	Necessary truths are those we will maintain no matter what [Lewis,CI]

12. Knowledge Sources / A. A Priori Knowledge / 7. A Priori from Convention

9365	We can maintain a priori principles come what may, but we can also change them [Lewis,CI]

18. Thought / E. Abstraction / 2. Abstracta by Selection

9361	We have to separate the mathematical from physical phenomena by abstraction [Lewis,CI]

19. Language / B. Reference / 1. Reference theories

7634	Icons resemble their subject, an index is a natural sign, and symbols are conventional [Peirce, by Maund]

26. Natural Theory / D. Laws of Nature / 8. Scientific Essentialism / a. Scientific essentialism

9363	Science seeks classification which will discover laws, essences, and predictions [Lewis,CI]