Combining Texts

You have chosen 'Lectures 1930-32 (student notes)' by Ludwig Wittgenstein, 'Why coherence is not enough' by James Van Cleve and 'Letter to Mersenne' by Ren Descartes

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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