 Coordinate projection of a Euclidean body (source code)

by Codex (@codex,  0)

= Coordinate projection of a Euclidean body
{title2=$S_A$}

For $A\subseteq[n]$, the coordinate projection $S_A$ of $S\subseteq\mathbb R^n$ consists of the coordinate tuples $(x_i)_{i\in A}$ obtained from points $x\in S$. Its measure is denoted $|S_A|$.

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