Combining Texts

You have chosen 'Letters to Edward Stillingfleet' by John Locke, 'Letters to Thomasius' by Gottfried Leibniz and 'Value Theory' by Francesco Orsi

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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