Combining Texts

All the ideas for 'Commentary on 'Posterior Analytics'', 'Quine on Quantifying In' and 'Locke on Essences and Kinds'

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7 ideas

5. Theory of Logic / E. Structures of Logic / 1. Logical Form

12220

Is it the sentence-token or the sentence-type that has a logical form? [Fine,K]

5. Theory of Logic / G. Quantification / 4. Substitutional Quantification

12222

Substitutional quantification is referential quantification over expressions [Fine,K]

9. Objects / B. Unity of Objects / 2. Substance / b. Need for substance

16629

By comparing qualities and features, reason can gradually infer the nature of substance [Grosseteste]

9. Objects / D. Essence of Objects / 13. Nominal Essence

15642

If kinds depend only on what can be observed, many underlying essences might produce the same kind [Eagle]

15645

Nominal essence are the observable properties of things [Eagle]

15643

Nominal essence mistakenly gives equal weight to all underlying properties that produce appearances [Eagle]

26. Natural Theory / B. Natural Kinds / 4. Source of Kinds

15641

Kinds are fixed by the essential properties of things - the properties that make it that kind of thing [Eagle]