Medusa: A Tiger by the Tail the Agent in the picket ship, who calls himself "Mr. Carroll", a Lewis Carroll reference as one of the planets of the Warden system is named "Momrath" with a moon named "Boojum" from Carroll's poem "The Hunting of the Snark". This is because the organic transmitter in Tarin Bul's head has been removed during his transformation. The Agent, Mr. Carroll, believes he now has enough information to know what the alien motives are, and what the Confederacy's likely response is to be. He submits his report to the Confederacy, in which he states his belief that the aliens, called the
Carroll diagram as any number or object has to either have an attribute or not have it. Carroll diagrams are often learnt by schoolchildren, but they can also be used outside the field of education, since they are a tidy way of categorising and displaying information. Carroll diagram A Carroll diagram, Lewis Carroll's square, biliteral diagram or a "two-way table" is a diagram used for grouping things in a yes/no fashion. Numbers or objects are either categorised as 'x' (having an attribute x) or 'not x' (not having an attribute 'x'). They are named after Lewis Carroll, the pseudonym of Charles Lutwidge