Parity-palette inequality: $32\sum_{Y\in\binom Vk}(n-|J_\varepsilon(Y)|)\ge n\binom Nk$ for $N\ge k+5$ (Erdős 624)

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Parity-palette inequality: $32\sum_{Y\in\binom Vk}(n-|J_\varepsilon(Y)|)\ge n\binom Nk$ for $N\ge k+5$ (Erdős 624) · Prove2Me