Combining Texts

All the ideas for 'Wittgenstein's 'Philosophical Investigations'', 'Counterfactuals' and 'What Numbers Are'

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6 ideas

5. Theory of Logic / J. Model Theory in Logic / 3. Löwenheim-Skolem Theorems

17813

Löwenheim-Skolem says any theory with a true interpretation has a model in the natural numbers [White,NP]

6. Mathematics / A. Nature of Mathematics / 4. Using Numbers / c. Counting procedure

17812

Finite cardinalities don't need numbers as objects; numerical quantifiers will do [White,NP]

10. Modality / B. Possibility / 8. Conditionals / c. Truth-function conditionals

14361

Lewis says indicative conditionals are truth-functional [Lewis, by Jackson]

10. Modality / B. Possibility / 9. Counterfactuals

8434	In good counterfactuals the consequent holds in world like ours except that the antecedent is true [Lewis, by Horwich]

15. Nature of Minds / A. Nature of Mind / 4. Other Minds / d. Other minds by analogy

14644

If my conception of pain derives from me, it is a contradiction to speak of another's pain [Malcolm]

26. Natural Theory / D. Laws of Nature / 4. Regularities / b. Best system theory

9419	A law of nature is a general axiom of the deductive system that is best for simplicity and strength [Lewis]