The Hunting of the Snark letters asking for the meaning of the poem, Carroll often replied that he did not know. However, in an 1896 reply to one letter, he agreed with one interpretation of the poem as an allegory for the search for happiness. Widely varying interpretations of "The Hunting of the Snark" have been suggested: an allegory for tuberculosis, a mockery of the Tichborne case, a satire of the controversies between religion and science, the repression of Carroll's sexuality, and a piece against vivisection, among others. According to Cohen, the poem represents a "voyage of life", with the Baker's disappearance caused by his
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,