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# There are two kinds of set
sets that contain themselves, and sets that don't contain themselves
(I helped save b3ta! rhebus ac201fd270c3b96beab24f2829780ab2, Mon 30 Mar 2009, 22:53, archived)
# Uh-oh.
(_Felix 's school of dance and occult sciences, Mon 30 Mar 2009, 22:56, archived)
# winner.
(I helped save b3ta! The Alchemist king of the needlessly complicated, Mon 30 Mar 2009, 22:58, archived)