62 The Elastic Mind Cara Soror, Do what thou wilt shall be the whole of the Law. You ask me what I mean by an "elastic mind" - from our telephone conversation on Friday. It is hard to define; but let me give you an example of the bad kind: an old riddle. "Why is a story like a ghost?" Because A story's a tale a tail's a brush a brush is a broom a brougham is a carriage a carriage is a gig a gig's a trap a trap is a snare a snare's a gin gin is a spirit and a spirit's a ghost. You will have noticed a logical blunder-usually non distributio medii or Hobson Jobson-at every step in the sorites. It is your instinctive, or instructed, objection to commit these that prevents your mind from actually moving on such lines. But these "correspondences," such as they are, ought to 378