The Hunting of the Snark of the poem as a child. Additionally, it has also been alluded to in fiction, such as "Perelandra" (1943) by C.S. Lewis; television, such as "" episode of the British TV crime drama "Lewis"; court rulings, such as in Parhat v. Gates (2008); a phenomenon in superfluidity; graph theory; geography, as a Snark Island and Boojum Rock exist in the Andaman and Nicobar Islands in the Bay of Bengal; Japanese animation, such as "Ghost Hound" (2007–08); and in video games, such as "Half-Life" (1998) and "American McGee's Alice" (2000). Various themes have been suggested by scholars. According to biographer Florence
What the Tortoise Said to Achilles What the Tortoise Said to Achilles "What the Tortoise Said to Achilles", written by Lewis Carroll in 1895 for the philosophical journal "Mind", is a brief allegorical dialogue on the foundations of logic. The title alludes to one of Zeno's paradoxes of motion, in which Achilles could never overtake the tortoise in a race. In Carroll's dialogue, the tortoise challenges Achilles to use the force of logic to make him accept the conclusion of a simple deductive argument. Ultimately, Achilles fails, because the clever tortoise leads him into an infinite regression. The discussion begins by considering the following logical argument: