view wisdom/fun fact @ 9252:6b4cdb914244

<oerjan> learn An union is the opposite of an ion.
author HackBot
date Thu, 13 Oct 2016 00:22:40 +0000
parents 7f957c1f4661
children c3d85315f276
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fun fact 0 = 1 | fact n = n * fact (n - 1)