Combining Texts

You have chosen 'The Character of Physical Law' by Richard P. Feynman, 'What is the Basis of Moral Obligation?' by H.A. Prichard and 'The Theory of Objects' by Alexius Meinong

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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