Combining Texts

You have chosen 'The Ages of the World' by Friedrich Schelling, 'Axiomatic Theories of Truth (2005 ver)' by Volker Halbach and 'Sets, Aggregates and Numbers' by Palle Yourgrau

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All the ideas for Theory of Logic, or select a subheading:
      A. Overview of Logic
      B. Logical Consequence
      C. Ontology of Logic
      D. Assumptions for Logic
      E. Structures of Logic
      F. Referring in Logic
      G. Quantification
      H. Proof Systems
      I. Semantics of Logic
      J. Model Theory in Logic
      K. Features of Logics
      L. Paradox