Combining Texts

All the ideas for 'Locke on Essences and Kinds', 'Quantum: Einstein and Bohr' and 'Summa quaestionum super Sententias'

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8 ideas

8. Modes of Existence / A. Relations / 1. Nature of Relations
Relations do not add anything to reality, though they are real aspects of the world [Olivi]
9. Objects / C. Structure of Objects / 4. Quantity of an Object
Quantity just adds union and location to the extension of parts [Olivi]
9. Objects / D. Essence of Objects / 13. Nominal Essence
If kinds depend only on what can be observed, many underlying essences might produce the same kind [Eagle]
Nominal essence are the observable properties of things [Eagle]
Nominal essence mistakenly gives equal weight to all underlying properties that produce appearances [Eagle]
14. Science / D. Explanation / 2. Types of Explanation / k. Explanations by essence
Bohr explained the periodic table and chemical properties of elements, using the quantum atom [Kumar]
26. Natural Theory / B. Natural Kinds / 4. Source of Kinds
Kinds are fixed by the essential properties of things - the properties that make it that kind of thing [Eagle]
27. Natural Reality / G. Biology / 5. Species
Things are limited by the species to certain modes of being [Olivi]