Combining Texts

All the ideas for 'Natural Science (lost)', 'Rechnungsmethoden (dissertation)' and 'Primary Truths'

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4 ideas

6. Mathematics / A. Nature of Mathematics / 3. Nature of Numbers / c. Priority of numbers

18256

Quantity is inconceivable without the idea of addition [Frege]

6. Mathematics / C. Sources of Mathematics / 2. Intuition of Mathematics

9831	Geometry appeals to intuition as the source of its axioms [Frege]

7. Existence / A. Nature of Existence / 6. Criterion for Existence

527	Everything exists which anyone perceives [Metrodorus of Chios]

12. Knowledge Sources / A. A Priori Knowledge / 4. A Priori as Necessities

9155	An a priori proof is independent of experience [Leibniz]