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All the ideas for 'works', 'Review of Frege's 'Grundlagen'' and 'Essentialists and Essentialism'

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3 ideas

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

13007

Archimedes defined a straight line as the shortest distance between two points [Archimedes, by Leibniz]

6. Mathematics / B. Foundations for Mathematics / 5. Definitions of Number / c. Fregean numbers

9992	The 'extension of a concept' in general may be quantitatively completely indeterminate [Cantor]

9. Objects / D. Essence of Objects / 7. Essence and Necessity / a. Essence as necessary properties

14380

The distinction between necessary and essential properties can be ignored [Rocca]