Grammar

123456789
Across
  1. 1. a subtle detail
  2. 3. it can hinder you
  3. 4. logical basis of an argument
  4. 6. an assortment brevity
  5. 8. one follows it
  6. 9. the state of being correct or sound
Down
  1. 2. an agreement
  2. 5. an exception
  3. 7. it precedes something