Combining Texts

You have chosen 'Testability and Meaning' by Rudolph Carnap, 'Naming and Necessity notes and addenda' by Saul A. Kripke and 'On 'Generation and Corruption'' by Albertus Magnus

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All the ideas for Mathematics, or select a subheading:
      A. Nature of Mathematics
      B. Foundations for Mathematics
      C. Sources of Mathematics