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arXiv · 0708.1984

Density is at most the spread of the square

Saharon Shelah
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Abstract

We show the following result: Assume B is an infinite Boolean Algebra and lambda=d(B). Then s(B*B)$, i.e. s(uf(B)xuf(B))>= lambda$ (if lambda limit - obtained)

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Saharon Shelah. 2007-08-15. Density is at most the spread of the square. https://arxiv.org/abs/0708.1984

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