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
Edwin Dodgson Christian name is a tribute to Canon George Heron, a Cheshire friend of Archdeacon Dodgson. Edwin's mother died when he was four years old and he was raised by his maiden aunt Lucy Lutwidge. He was educated at Twyford and in 1860 he went to Rugby, where the Headmaster was Frederick Temple, who later became the Archbishop of Canterbury. He worked briefly for the Board of Trade before entering Chichester Theological College in September 1871. The college was Anglo-Catholic, a tradition which Edwin held dear, to the chagrin of his elder brother Charles. He was ordained deacon in 1873, and