import GameServer.Commands TacticDoc rfl " " TacticDoc rewrite " " TacticDoc rw " " TacticDoc induction " " TacticDoc exact " " TacticDoc apply " " TacticDoc intro " " TacticDoc «have» " " TacticDoc constructor " " TacticDoc rcases " " TacticDoc left " " TacticDoc right " " TacticDoc contradiction " " TacticDoc exfalso " "