Combining Texts

All the ideas for 'works', 'On Sufficient Reason' and 'De Re and De Dicto'

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11 ideas

2. Reason / B. Laws of Thought / 1. Laws of Thought

19404

Necessities rest on contradiction, and contingencies on sufficient reason [Leibniz]

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

14650

Maybe proper names involve essentialism [Plantinga]

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]

6. Mathematics / A. Nature of Mathematics / 3. Nature of Numbers / g. Real numbers

14648

Could I name all of the real numbers in one fell swoop? Call them all 'Charley'? [Plantinga]

9. Objects / A. Existence of Objects / 5. Individuation / d. Individuation by haecceity

14647

Surely self-identity is essential to Socrates? [Plantinga]

9. Objects / D. Essence of Objects / 9. Essence and Properties

14646

An object has a property essentially if it couldn't conceivably have lacked it [Plantinga]

10. Modality / A. Necessity / 4. De re / De dicto modality

14649

Can we find an appropriate 'de dicto' paraphrase for any 'de re' proposition? [Plantinga]

14642

Expressing modality about a statement is 'de dicto'; expressing it of property-possession is 'de re' [Plantinga]

14643

'De dicto' true and 'de re' false is possible, and so is 'de dicto' false and 'de re' true [Plantinga]

10. Modality / E. Possible worlds / 3. Transworld Objects / a. Transworld identity

14651

What Socrates could have been, and could have become, are different? [Plantinga]

26. Natural Theory / D. Laws of Nature / 8. Scientific Essentialism / c. Essence and laws

19403

Each of the infinite possible worlds has its own laws, and the individuals contain those laws [Leibniz]