Combining Texts

You have chosen 'Principles of Theoretical Logic' by Hilbert,D/Ackermann,W, 'First-order Logic, 2nd-order, Completeness' by Marcus Rossberg and 'Frege on Apriority' by Tyler Burge

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All the ideas for Knowledge Aims, or select a subheading:
      A. Knowledge
      B. Certain Knowledge
      C. Knowing Reality