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Ideas for
'Defending the Axioms', 'Reason, Truth and History' and 'The Art of Rhetoric'
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5 ideas
5. Theory of Logic / C. Ontology of Logic / 3. If-Thenism
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Critics of if-thenism say that not all starting points, even consistent ones, are worth studying [Maddy]
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5. Theory of Logic / I. Semantics of Logic / 6. Intensionalism
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Intension is not meaning, as 'cube' and 'square-faced polyhedron' are intensionally the same [Putnam]
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5. Theory of Logic / J. Model Theory in Logic / 2. Isomorphisms
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If cats equal cherries, model theory allows reinterpretation of the whole language preserving truth [Putnam]
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5. Theory of Logic / K. Features of Logics / 1. Axiomatisation
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Hilbert's geometry and Dedekind's real numbers were role models for axiomatization [Maddy]
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If two mathematical themes coincide, that suggest a single deep truth [Maddy]
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