Combining Texts

You have chosen 'Mathematics without Numbers' by Geoffrey Hellman, 'Rules for the Direction of the Mind' by Ren Descartes and 'What is an Idea?' by Gottfried Leibniz

start again     |    choose another area for these texts     |    all the ideas for this combination of texts
All the ideas for Mathematics, or select a subheading:
      A. Nature of Mathematics
      B. Foundations for Mathematics
      C. Sources of Mathematics