Logic Puzzle Forums Advanced Tech: "Either-Or" clues PART FOUR
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08-13-2013, 08:54 PM
 BillsBayou Member Join Date: Mar 2013 Location: New Orleans Posts: 77
Advanced Tech: "Either-Or" clues PART FOUR

Continuing the many ways that Either-Or clues can be dissected (see HERE for more), I came upon this pair of clues:
1) Of Virginia and the diner who ordered the citrus chicken, one had the zinfandel and the other paid \$25.99.
2) Of the diner who ordered the sea bass and Virginia, one had the shiraz and the other paid \$27.99.

What struck me was the categories. Both could be stated as:
- Of Virginia and food, one is wine and the other price

Since wine and price were different in both clues, I knew I was looking a the limited values for Virginia:
1) Virginia is either zinfandel or shiraz
2) Virgina paid either \$25.99 or \$27.99

Very nice.

BUT WAIT! THERE'S MORE!

The food on the left side of each clue CAN NOT be either of the values on the right side of the other clue:
1) Citrus chicken is neither shiraz nor \$27.99
2) Sea bass is neither zinfandel nor \$25.99

Still not convinced of the power of these two clues? If you act now, we'll throw in these other clues for free! By using other "Either-Or" techniques, we also have these helping hands:
- Zinfandel is either \$27.99 or citrus chicken
- \$25.99 is either shiraz or citrus chicken
- Shiraz is either seabass or \$25.99
- \$27.99 is either seabass or zinfandel

I see plenty of views on these techniques, but little discussion. Is this helping, or am I just stating the obvious?

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