The Hunting of the Snark he delights to tell."" The poem was printed in "The Hunting of the Snark" with permission from Chataway's mother. Included with many copies of the first edition of "The Hunting of the Snark" was Carroll's three-page, religious tract to his young readers, "An Easter Greeting to Every Child Who Loves "Alice"". Largely written on 5 February 1876, "An Easter Greeting" explores the concept of innocence and eternal life through biblical allusions and literary allusions to Romantic writers William Blake and William Wordsworth. Gardner suggests that Carroll included the tract as a way of balancing the dark tone of the poem.
Carroll diagram as any number or object has to either have an attribute or not have it. Carroll diagrams are often learnt by schoolchildren, but they can also be used outside the field of education, since they are a tidy way of categorising and displaying information. 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