Combining Texts

You have chosen 'The Roots of Reference' by Willard Quine, 'On the Freedom of the Will' by Arthur Schopenhauer and 'Nature and Observability of Causal Relations' by Curt Ducasse

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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