Combining Texts

You have chosen 'The Problem of Empty Names' by Marga Reimer, 'Letters to Varignon' by Gottfried Leibniz and 'Elbow Room: varieties of free will' by Daniel C. Dennett

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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