Combining Texts

You have chosen 'works' by William of Ockham, 'On the Nature of the Gods ('De natura deorum')' by M. Tullius Cicero and 'On Fate ('De fato')' by M. Tullius Cicero

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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