Friday, August 10, 2012

Logic blooms with new 11-set Venn diagram - physics-math - 10 August 2012 - New Scientist

Logic blooms with new 11-set Venn diagram: To find the rose-like diagram, the pair had to comb through myriad potential diagrams, represented as lists of numbers corresponding to the way the curves cross. Sifting through all of the possibilities for an 11-set diagram would be an impossible task even for the combined might of Earth's computers, so the researchers narrowed the options by restricting the search to diagrams with a property called crosscut symmetry, meaning that a segment of each set crosses all the other sets exactly once.

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