Combining Texts

All the ideas for 'fragments/reports', 'Naming and Necessity preface' and 'works'

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11 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]

5. Theory of Logic / G. Quantification / 2. Domain of Quantification

17743

De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki]

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]

25. Social Practice / E. Policies / 5. Education / b. Education principles

13304

Learned men gain more in one day than others do in a lifetime [Posidonius]

27. Natural Reality / D. Time / 1. Nature of Time / d. Time as measure

20820

Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus]