Combining Texts

You have chosen 'Two Problems of Epistemology' by Karl Popper, 'Mathematics, Science and Language' by Luitzen E.J. Brouwer and 'Through the Looking Glass' by Lewis Carroll (C.Dodgson)

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All the ideas for Thought, or select a subheading:
      A. Modes of Thought
      B. Mechanics of Thought
      C. Content
      D. Concepts
      E. Abstraction