Combining Texts

You have chosen 'Material Beings' by Peter van Inwagen, 'Logical Necessity' by Ian Rumfitt and 'On the Algebra of Logic' by Charles Sanders Peirce

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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