Combining Texts

You have chosen 'Intensional Logic' by Melvin Fitting, 'Sense Data and the Percept Theory' by Roderick Firth and 'Set Theory and the Continuum Hypothesis' by Paul J. Cohen

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All the ideas for Science, or select a subheading:
      A. Basis of Science
      B. Scientific Theories
      C. Induction
      D. Explanation