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Ideas for 'Unconscious Cerebral Initiative', 'Trees, Terms and Truth' and 'works'

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5. Theory of Logic / A. Overview of Logic / 2. History of Logic

18912

Was logic a branch of mathematics, or mathematics a branch of logic? [Engelbretsen]

5. Theory of Logic / A. Overview of Logic / 7. Second-Order Logic

9188	Gödel proved that first-order logic is complete, and second-order logic incomplete [Gödel, by Dummett]