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erdos_851.variants.romanoff

Specification

The set of integers of the form `2^k+p` (where `p` is prime) has positive lower density. Formalisation note: here we also allow `p = 1` since this simplifies the code and is equivalent to the original statement.

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Lean 4 Statement 
theorem erdos_851.variants.romanoff : 0 < Set.lowerDensity (TwoPowAddSet 1)
ID: ErdosProblems__851__erdos_851.variants.romanoff
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