Definition:Open Rectangle/Notation
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Open Rectangle: Notation
A convenient notation for the open rectangle $\ds \prod_{i \mathop = 1}^n \openint {a_i} {b_i}$ is $\openrect {\mathbf a} {\mathbf b}$.
Technical Note
The $\LaTeX$ code for \(\openrect {\mathbf a} {\mathbf b}\) is \openrect {\mathbf a} {\mathbf b} .
This is a custom $\mathsf{Pr} \infty \mathsf{fWiki}$ command designed to implement Wirth interval notation and its derivatives.