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erdos_340.variants.sub_hasPosDensity

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Erdős and Graham [ErGr80] also asked about the difference set $A - A$ and whether this has positive density. [ErGr80] Erdős, P. and Graham, R., Old and new problems and results in combinatorial number theory. Monographies de L'Enseignement Mathematique (1980).

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Lean 4 Statement 
theorem erdos_340.variants.sub_hasPosDensity :
    Set.HasPosDensity (Set.range greedySidon - Set.range greedySidon)
ID: ErdosProblems__340__erdos_340.variants.sub_hasPosDensity
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