Combining Texts

All the ideas for 'talk', 'Absolute Necessities' and 'The Thesis that Mathematics is Logic'

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10 ideas

5. Theory of Logic / C. Ontology of Logic / 3. If-Thenism

10066

Putnam coined the term 'if-thenism' [Putnam, by Musgrave]

10. Modality / A. Necessity / 2. Nature of Necessity

15086

Absolute necessity might be achievable either logically or metaphysically [Hale]

10. Modality / A. Necessity / 3. Types of Necessity

8261	Maybe not-p is logically possible, but p is metaphysically necessary, so the latter is not absolute [Hale]

15081

A strong necessity entails a weaker one, but not conversely; possibilities go the other way [Hale]

15080

'Relative' necessity is just a logical consequence of some statements ('strong' if they are all true) [Hale]

10. Modality / A. Necessity / 5. Metaphysical Necessity

15082

Metaphysical necessity says there is no possibility of falsehood [Hale]

10. Modality / A. Necessity / 6. Logical Necessity

15085

'Broadly' logical necessities are derived (in a structure) entirely from the concepts [Hale]

15088

Logical necessities are true in virtue of the nature of all logical concepts [Hale]

10. Modality / C. Sources of Modality / 4. Necessity from Concepts

15087

Conceptual necessities are made true by all concepts [Hale]

13. Knowledge Criteria / E. Relativism / 2. Knowledge as Convention

1556	By nature people are close to one another, but culture drives them apart [Hippias]