Mathematics

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Across
  1. 2. subsidiary proposition that is assumed to be true in order to prove another proposition
  2. 6. branch of pure mathematics dealing with the theory of numerical calculations
  3. 8. the study in mathematics of lines, shapes, curves, etc
  4. 9. number or quantity that can vary or be varied
  5. 10. number or quantity that remains the same
Down
  1. 1. concise way of expressing information symbolically
  2. 3. precise rule specifying how to solve some problem
  3. 4. a whole number, such as 3 or 4 but not 3.5
  4. 5. mathematics of triangles
  5. 7. a statement that two quantities are equal