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'works', 'Introduction to the Theory of Logic' and 'On Carnap's Views on Ontology'
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2 ideas
5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / b. Basic connectives
10896
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Propositional logic just needs ¬, and one of ∧, ∨ and → [Zalabardo]
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5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / c. not
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Negation of negation doubles back into a self-relationship [Hegel, by Houlgate]
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