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 returned to Britain to be refitted and re-coppered in early 1779, after which she returned to North America, capturing the American privateer "Gates" on 29 September 1779. He was involved in the capture of a Spanish convoy on 8 January 1780, and on the night of 16 and 17 January Lutwidge was part of Admiral George Rodney's fleet against Juan de Lángara at the Battle of Cape St. Vincent. His final duties with the "Triton" were to escort a convoy to Menorca and then to the Leeward Islands. Lutwidge then briefly took command of the 74-gun third rate and sailed