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The Jabber-notty

Age 16 to 18 Challenge Level:

Lewis Carrol thought that (in Through the looking glass, and what Alice found there)

'Twas brillig, and the slithy toves Did gyre and gimble in the wabe'

I disagree entirely. Construct the negation of this sentence to represent my view.

Did you know... ?

Lewis Carrol was a mathematician who delighted in logical games and wordplay. His books are full of the sorts of sentences which often amuse those with a good understanding of logic.