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Approximate Steiner (<i>r</i> − 1, <i>r</i>, <i>n</i>)‐systems without three blocks on <i>r</i> + 2 points

Approximate Steiner (<i>r</i> − 1, <i>r</i>, <i>n</i>)‐systems without three blocks on <i>r</i> + 2 points

Abstract For a family of ‐graphs, let denote the maximum number of edges in an ‐free ‐graph on vertices. Let denote the family of all ‐graphs with edges and at most vertices. We prove that .