This article is from the Puzzles FAQ, by Chris Cole chris@questrel.questrel.com and Matthew Daly mwdaly@pobox.com with numerous contributions by others.
In a rectangular array of people, which will be taller, the tallest of the
shortest people in each column, or the shortest of the tallest people in each row?
logic/min.max.s
Let T denote shortest of tall
Let S denote tallest of short
------------------------------- | | | | | S | | | | | | T X | | | | | | | | | -------------------------------
 
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