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The Transfinite Cardinals by Peter Roberts

beyond the reach of normal minds,
in immensities of many kinds,
cantor found that endlessness
comes in many sizes.

others went where cantor led,
later, after he was dead;
& some, who went beyond in depth,
discovered some surprises:

after countable infinities,
are there intermediaries
before the great continuum?
is there nothing in between?
or is there some vast plenum?
– it cannot be decided.

www.lablit.com/article/741