Combining Texts

All the ideas for '67: Platonic Questions', 'Explanation and Reference' and 'Russell'

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9 ideas

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

17505

Using proper names properly doesn't involve necessary and sufficient conditions [Putnam]

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

6408	Russell needed three extra axioms to reduce maths to logic: infinity, choice and reducibility [Grayling]

9. Objects / D. Essence of Objects / 5. Essence as Kind

11908

Putnam bases essences on 'same kind', but same kinds may not share properties [Mackie,P on Putnam]

12. Knowledge Sources / A. A Priori Knowledge / 2. Self-Evidence

6414	Two propositions might seem self-evident, but contradict one another [Grayling]

14. Science / B. Scientific Theories / 2. Aim of Science

17508

Science aims at truth, not at 'simplicity' [Putnam]

15. Nature of Minds / A. Nature of Mind / 2. Psuche

5960	When the soul is intelligent and harmonious, it is part of god and derives from god [Plutarch]

19. Language / B. Reference / 3. Direct Reference / b. Causal reference

17506

I now think reference by the tests of experts is a special case of being causally connected [Putnam]

26. Natural Theory / B. Natural Kinds / 5. Reference to Natural Kinds

17507

Natural kind stereotypes are 'strong' (obvious, like tiger) or 'weak' (obscure, like molybdenum) [Putnam]

11904

Express natural kinds as a posteriori predicate connections, not as singular terms [Putnam, by Mackie,P]