Combining Texts

All the ideas for 'Locke on Essences and Kinds', 'The Concept of Law' and 'Grundlagen (Foundations of Theory of Manifolds)'

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9 ideas

4. Formal Logic / F. Set Theory ST / 1. Set Theory

15946

Cantor developed sets from a progression into infinity by addition, multiplication and exponentiation [Cantor, by Lavine]

6. Mathematics / A. Nature of Mathematics / 3. Nature of Numbers / e. Ordinal numbers

15911

Ordinals are generated by endless succession, followed by a limit ordinal [Cantor, by Lavine]

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]

25. Social Practice / C. Rights / 1. Basis of Rights

21004

Hart (against Bentham) says human rights are what motivate legal rights [Hart,HLA, by Sen]

25. Social Practice / D. Justice / 2. The Law / a. Legal system

20932

Positive law needs secondary 'rules of recognition' for their correct application [Hart,HLA, by Zimmermann,J]

25. Social Practice / D. Justice / 2. The Law / d. Legal positivism

20931

Hart replaced positivism with the democratic requirement of the people's acceptance [Hart,HLA, by Zimmermann,J]

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]