Combining Texts

You have chosen 'On Liberty' by John Stuart Mill, 'The Nature and Communication of Substance' by Gottfried Leibniz and 'On the Essence of Truth' by Martin Heidegger

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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