Unformatted text preview: relement subsets of { 1 , 2 ,...n } . Vertices A and B are adjacent if and only if  A ∩ B  = 1. a) Draw G (4 , 1) and G (4 , 2). b) How many vertices and edges does G ( n,r ) have? 1...
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 Spring '09
 M.PEI
 Math, Vertex, CN

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