Petr Savicky

Let $f$ be a Boolean function. Let $N(f)=\dnf(f)+\dnf(\neg f)$ be the

sum of the minimum number of monomials in a disjunctive normal form

for $f$ and $\neg f$. Let $p(f)$ be the minimum size of a partition

of the Boolean cube into disjoint subcubes such that $f$ is constant on

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