Combining Texts

You have chosen 'Ethics: Inventing Right and Wrong' by J.L. Mackie, 'Of liberty, Fate and God's grace' by Gottfried Leibniz and 'A Problem about Substitutional Quantification?' by Saul A. Kripke

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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