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Disjointification (Posted on 2004-04-04) Difficulty: 3 of 5
Given N possibly overlapping sets, give formulas that specify, using intersections and complements of the given sets, N disjoint sets with the same union as the original N sets. The sets that result are to be the same as the given sets in the case where the given sets are already disjoint.

See The Solution Submitted by Richard    
Rating: 3.1667 (6 votes)

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Some Thoughts Missing part of the proof Comment 12 of 12 |
No one of the solutions proved that the produced sets actually verified all conditions, though it isn't hard to do... I'm just feeling very formal today!

  Posted by Oskar on 2004-04-13 10:58:49
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