Last Build Date: Tue, 07 Apr 2015 17:39:00 +0000
Thu, 29 Mar 2007 01:15:19 +0000[...] Two weeks ago when I introduced the puzzle of the two contestants trying to discover hidden digits (numbers, not toes), I mentioned that its charm was due to looking at what people don’t know rather than what they do know. In life as well as artificial puzzles, people often only look at positive evidence, and overlook the equally valuable negative, or missing evidence. [BTW, at least one reader solved it by making a spreadsheet of possibilities then following the consequences of each round of answers.] [...]
Tue, 20 Mar 2007 14:16:08 +0000Quite pleasant! Unless I made a mistake in the eliminations, I get 2 and 8.