Empiricsm Crossword Puzzle

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Across
  1. 3. the theory of knowledge
  2. 6. theory that certain knowledge is impossible
  3. 7. regards reason as the chief source and test of knowledge
Down
  1. 1. branch of knowledge that deals with moral principles
  2. 2. the study of reality and existence
  3. 4. knowledge is derived from sense-experience
  4. 5. the study of correct reasoning