A Violent Argument

A logic exercise by Lewis Carroll. What conclusion is implied by these premises?

  1. Animals that do not kick are always unexcitable.
  2. Donkeys have no horns.
  3. A buffalo can always toss one over a gate.
  4. No animals that kick are easy to swallow.
  5. No hornless animal can toss one over a gate.
  6. All animals are excitable except buffaloes.