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Ideas for 'works', 'works' and 'Universals'

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2 ideas

5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / c. not

21777

Negation of negation doubles back into a self-relationship [Hegel, by Houlgate]

5. Theory of Logic / G. Quantification / 2. Domain of Quantification

17743

De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki]