1988 USAMO Problems/Problem 3
Problem
Let be the set and let be the set of all 9-element subsets of . Show that for any map we can find a 10-element subset of , such that for any in .
Solution
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See Also
1988 USAMO (Problems • Resources) | ||
Preceded by Problem 2 |
Followed by Problem 4 | |
1 • 2 • 3 • 4 • 5 | ||
All USAMO Problems and Solutions |
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