Combining Texts

You have chosen 'Formal and Material Consequence' by Stephen Read, 'Presidential Address of Am. Math. Soc' by Oswald Veblen and 'Metaphysical Foundations of Mathematics' by Gottfried Leibniz

start again     |    choose another area for these texts     |    all the ideas for this combination of texts
All the ideas for Existence, or select a subheading:
      A. Nature of Existence
      B. Change in Existence
      C. Structure of Existence
      D. Theories of Reality
      E. Categories