Combining Texts

All the ideas for 'works', 'Notice of Fine's 'Limits of Abstraction'' and 'Is Hume's Principle analytic?'

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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]

18. Thought / E. Abstraction / 7. Abstracta by Equivalence

9141	Abstraction theories build mathematics out of second-order equivalence principles [Cook/Ebert]

8693	An 'abstraction principle' says two things are identical if they are 'equivalent' in some respect [Boolos]