science

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Across
  1. 1. a group of symbols that make a mathematical statement
  2. 7. based on reason and logic, not emotions
  3. 8. adj, from theory
Down
  1. 2. an increase by natural growth or addition
  2. 3. concerned with practical matters
  3. 4. a minute life form, like corona-virus
  4. 5. reasoning from the general to the particular
  5. 6. a saying that is widely accepted, like truth