Combining Texts

All the ideas for 'Isagoge ('Introduction')', 'The Wanderer and his Shadow' and 'Naming and Necessity preface'

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10 ideas

4. Formal Logic / D. Modal Logic ML / 1. Modal Logic

16985

Possible worlds allowed the application of set-theoretic models to modal logic [Kripke]

5. Theory of Logic / F. Referring in Logic / 1. Naming / c. Names as referential

16982

A man has two names if the historical chains are different - even if they are the same! [Kripke]

8. Modes of Existence / D. Universals / 1. Universals

15034

Are genera and species real or conceptual? bodies or incorporeal? in sensibles or separate from them? [Porphyry]

9. Objects / F. Identity among Objects / 1. Concept of Identity

16981

With the necessity of self-identity plus Leibniz's Law, identity has to be an 'internal' relation [Kripke]

9. Objects / F. Identity among Objects / 8. Leibniz's Law

4942	The indiscernibility of identicals is as self-evident as the law of contradiction [Kripke]

10. Modality / C. Sources of Modality / 1. Sources of Necessity

16984

I don't think possible worlds reductively reveal the natures of modal operators etc. [Kripke]

10. Modality / D. Knowledge of Modality / 2. A Priori Contingent

9385	The very act of designating of an object with properties gives knowledge of a contingent truth [Kripke]

10. Modality / E. Possible worlds / 1. Possible Worlds / a. Possible worlds

4943	Instead of talking about possible worlds, we can always say "It is possible that.." [Kripke]

10. Modality / E. Possible worlds / 2. Nature of Possible Worlds / a. Nature of possible worlds

16983

Probability with dice uses possible worlds, abstractions which fictionally simplify things [Kripke]

26. Natural Theory / A. Speculations on Nature / 2. Natural Purpose / b. Limited purposes

4422	The end need not be the goal, as in the playing of a melody (and yet it must be completed) [Nietzsche]