Combining Texts

You have chosen 'From an Ontological Point of View' by John Heil, 'On Copernicanism and Relativity of Motion' by Gottfried Leibniz and 'On the Basis of Morality' by Arthur Schopenhauer

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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