Combining Philosophers

Ideas for Rescher,N/Oppenheim,P, Baruch de Spinoza and Saul A. Kripke

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3 ideas

6. Mathematics / A. Nature of Mathematics / 1. Mathematics

17185

Mathematics deals with the essences and properties of forms [Spinoza]

6. Mathematics / A. Nature of Mathematics / 2. Geometry

17222

The sum of its angles follows from a triangle's nature [Spinoza]

17197

The idea of a triangle involves truths about it, so those are part of its essence [Spinoza]