Combining Texts

All the ideas for 'Letters to Edward Stillingfleet', 'Absolute Necessities' and 'Questions on Aristotle's Posterior Analytics'

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11 ideas

9. Objects / D. Essence of Objects / 3. Individual Essences

15990

Every individual thing which exists has an essence, which is its internal constitution [Locke]

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]

11. Knowledge Aims / B. Certain Knowledge / 1. Certainty

15994

If it is knowledge, it is certain; if it isn't certain, it isn't knowledge [Locke]

12. Knowledge Sources / B. Perception / 2. Qualities in Perception / b. Primary/secondary

16726

Why can't we deduce secondary qualities from primary ones, if they cause them? [Buridan]