Skip to main content\(\newcommand{\R}{\mathbb{R}}
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Coordinate axes for
\(xyz\)-space showing three triangular prisms with triangular bases parallel to the
\(yz\)-plane. The triangular cross sections that are the bases of the three prisms are located in the planes
\(x=0\text{,}\) \(x=1/3\text{,}\) and
\(x=2/3\text{.}\)