Consider all non-empty subsets S1,S2,…,S2n−1 of {1,2,3,…,n}. Let A=(aij) be a (2n−1)×(2n−1) matrix such that aij={1if Si∩Sj≠∅,0otherwise. What is |det?
(This is the last problem of this semester. Good luck with your final exam!)
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