Combining Texts

You have chosen 'Criterion of Validity in Reasoning' by Charles Sanders Peirce, 'Wittgenstein on Rules and Private Language' by Saul A. Kripke and 'A Priori Knowledge' by Albert Casullo

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All the ideas for Mathematics, or select a subheading:
      A. Nature of Mathematics
      B. Foundations for Mathematics
      C. Sources of Mathematics