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Ideas for 'Function and Concept', 'Completeness of Axioms of Logic' and 'The Science of Knowing (Wissenschaftslehre) [1st ed]'

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3 ideas

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

22017

Normativity needs the possibility of negation, in affirmation and denial [Fichte, by Pinkard]

5. Theory of Logic / E. Structures of Logic / 5. Functions in Logic

8490	First-level functions have objects as arguments; second-level functions take functions as arguments [Frege]

5. Theory of Logic / E. Structures of Logic / 6. Relations in Logic

8492	Relations are functions with two arguments [Frege]