Combining Texts

You have chosen 'The Character of Physical Law' by Richard P. Feynman, 'Two Chief World Systems' by Galileo Galilei and 'A Discourse on Method' by Ren Descartes

start again     |    choose another area for these texts     |    all the ideas for this combination of texts
All the ideas for Formal Logic, or select a subheading:
      A. Syllogistic Logic
      B. Propositional Logic PL
      C. Predicate Calculus PC
      D. Modal Logic ML
      E. Nonclassical Logics
      F. Set Theory ST
      G. Formal Mereology