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erdos_494.variant.card_eq_2k

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Similarly, Tao noted that the conjecture fails when $|A| = 2k$, by taking $A$ to be a set of the total sum 0 and considering $-A$.

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Lean 4 Statement 
theorem erdos_494.variant.card_eq_2k :
    ∀ k > 2, ¬Erdos494Unique k (2 * k)
ID: ErdosProblems__494__erdos_494.variant.card_eq_2k
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