Combining Texts

You have chosen 'Universal Arithmetick' by Isaac Newton, 'Penguin Dictionary of Philosophy' by Thomas Mautner and 'The Problem of Knowledge' by A.J. Ayer

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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