RosettaCodeData/Task/Ackermann-function/Lucid/ackermann-function.lucid
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2013-04-10 21:29:02 -07:00

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ack(m,n)
where
ack(m,n) = if m eq 0 then n+1
else if n eq 0 then ack(m-1,1)
else ack(m-1, ack(m, n-1)) fi
fi;
end