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Old 06-22-2013, 03:27 AM
shriekingviolet shriekingviolet is offline
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Join Date: May 2013
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You would need to look at the food and city together. In this puzzle, 12:30 is either Ollie or (the set of people that are possible for *either* oyster *or* Naperville). Look down the left-hand side of the grid at the rows for Naperville and oyster simultaneously. If you could find someone who was Xed out on both oyster/Naperville, you could go ahead and X that person out on the 12:30 line, too (except for Ollie, who in this case is the only one).

I can't remember what the set notation looks like, it's been too long since I had those math classes But I'm fairly certain this would work. eta - because it would read as [Person] is neither oyster nor Naperville, and they are obviously not Ollie, so they can't be 12:30.

Last edited by shriekingviolet; 06-22-2013 at 03:29 AM.
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