Combining Texts

You have chosen 'Mathematics without Foundations' by Hilary Putnam, 'The Concept of Logical Consequence' by John Etchemendy and 'Remarks on the forces of inorganic Nature' by J.R. Mayer

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