Combining Texts

You have chosen '67: Platonic Questions' by Plutarch, 'Sense Data and the Percept Theory' by Roderick Firth and 'Against the Mathematicians' by Sextus Empiricus

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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