Combining Texts
Ideas for
'The Problem of Empty Names', 'Intuitionism: an Introduction' and 'Set Theory and Its Philosophy'
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3 ideas
5. Theory of Logic / A. Overview of Logic / 7. Second-Order Logic
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We can formalize second-order formation rules, but not inference rules [Potter]
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5. Theory of Logic / F. Referring in Logic / 1. Naming / e. Empty names
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Unreflectively, we all assume there are nonexistents, and we can refer to them [Reimer]
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5. Theory of Logic / H. Proof Systems / 3. Proof from Assumptions
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Supposing axioms (rather than accepting them) give truths, but they are conditional [Potter]
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