Combining Texts

All the ideas for 'Reply to Hellman', 'Carving Content at the Joints' and 'Foundations of Geometry'

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4 ideas

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

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

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

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

12. Knowledge Sources / A. A Priori Knowledge / 2. Self-Evidence

9379	A sentence is obvious if it is true, and any speaker of the language will instantly agree to it [Quine]

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

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A sentence should be recarved to reveal its content or implication relations [Yablo]