Ideas from 'Essence, Necessity and Explanation' by Kathrin Koslicki [2012], by Theme Structure

[found in 'Contemporary Aristotelian Metaphysics' (ed/tr Tahko,Tuomas) [CUP 2012,]].

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2. Reason / D. Definition / 4. Real Definition
A successful Aristotelian 'definition' is what sciences produces after an investigation
2. Reason / D. Definition / 6. Definition by Essence
Essences cause necessary features, and definitions describe those necessary features
9. Objects / D. Essence of Objects / 1. Essences of Objects
An essence and what merely follow from it are distinct
9. Objects / D. Essence of Objects / 3. Individual Essences
Individuals are perceived, but demonstration and definition require universals
9. Objects / D. Essence of Objects / 7. Essence and Necessity / c. Essentials are necessary
Aristotle doesn't see essential truths or essential properties as necessary
If an object exists, then its essential properties are necessary
14. Science / A. Basis of Science / 2. Demonstration
In demonstration, the explanatory order must mirror the causal order of the phenomena
In a demonstration the middle term explains, by being part of the definition
14. Science / D. Explanation / 2. Types of Explanation / f. Causal explanations
Greek uses the same word for 'cause' and 'explanation'
14. Science / D. Explanation / 2. Types of Explanation / j. Explanations by essence
Discovering the Aristotelian essence of thunder will tell us why thunder occurs
Aristotelian explanation by essence may need to draw on knowledge of other essences