Carroll diagram 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 Dodgson. Although Carroll diagrams can be as simple as the first one above, the most well known types are those similar to the second one, where two attributes are shown. The <nowiki>'</nowiki>universe<nowiki>'</nowiki> of a Carroll diagram is contained within the boxes in the diagram,
Skeffington Lutwidge The expedition sailed up to and around Spitsbergen, managing to reach within ten degrees of the North Pole, but was prevented from travelling further north by thick sea ice, and returned to Britain in September. Sailing with the "Carcass" was a young Horatio Nelson, whose position as a midshipman on the expedition had been arranged by his uncle, Maurice Suckling. Suckling and Lutwidge knew each other well, Lutwidge having served under Suckling on a number of occasions, including time spent acting against privateers in 1771. Nelson was given the role of coxswain of Lutwidge's gig. Nelson managed to obtain command