Venn diagram with increasing numbers of sides. They are also two-dimensional representations of hypercubes. Henry John Stephen Smith devised similar "n"-set diagrams using sine curves with the series of equations Charles Lutwidge Dodgson (aka Lewis Carroll) devised a five-set diagram known as Carroll's square. Joaquin and Boyles, on the other hand, proposed supplemental rules for the standard Venn diagram in able to account for certain problem cases. For instance, regarding the issue of representing singular statements, they suggest to consider the Venn diagram circle as a representation of a set of things, and use first-order logic and set theory to treat categorical
Skeffington Lutwidge Skeffington Lutwidge Skeffington Lutwidge (13 March 1737 – 15/16 August 1814) was an officer of the Royal Navy, who saw service during the American War of Independence, and the French Revolutionary and Napoleonic Wars. He had a particular connection with Horatio Nelson, who served under Lutwidge as a midshipman on an expedition to the Arctic in in 1773, and again in 1801 while a captain, when Lutwidge was commander in chief in the Downs. Lutwidge served for a considerable period and in a number of ships, in American waters during the War of Independence. During this time he captured a