Combining Texts

All the ideas for 'Leibniz: Guide for the Perplexed', 'The Mirage of Social Justice' and 'Foundations of Geometry'

expand these ideas     |    start again     |     specify just one area for these texts

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4 ideas

5. Theory of Logic / C. Ontology of Logic / 3. If-Thenism

10053

Geometrical axioms imply the propositions, but the former may not be true [Russell]

6. Mathematics / B. Foundations for Mathematics / 3. Axioms for Geometry

10052

Geometry is united by the intuitive axioms of projective geometry [Russell, by Musgrave]

9. Objects / B. Unity of Objects / 2. Substance / d. Substance defined

19347

Substance needs independence, unity, and stability (for individuation); also it is a subject, for predicates [Perkins]

25. Social Practice / D. Justice / 1. Basis of justice

20543

'Social justice' is a confused idea, and inequalities need no justification [Hayek, by Swift]