Combining Texts

You have chosen 'On the Essence of Truth' by Martin Heidegger, 'Cartesian Meditations' by Edmund Husserl and 'On the Syllogism IV' by Augustus De Morgan

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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