Combining Texts

You have chosen 'What is a Law of Nature?' by David M. Armstrong, 'Phil of Mathematics and Natural Science' by Hermann Weyl and 'Nature and Meaning of Numbers' by Richard Dedekind

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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