trivial/popl-2017/fig-regexp.tex
2016-06-27 16:00:01 -04:00

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\[
\begin{array}{r l l}
\RktMeta{\++} & = & \lambda\,\vectorgen{v_0~v_1}\,.\,
\left\{\begin{array}{l l}
\vectorgen{v_{00}, \ldots, v_{0m}, v_{10}, \ldots, v_{1n}}
& \RktMeta{if}~v_0 = \vectorgen{v_{00}, \ldots, v_{0m}}
~\RktMeta{and}~v_1 = \vectorgen{v_{10}, \ldots, v_{1n}}
\\\bot & \RktMeta{otherwise}
\end{array}\right.
\end{array}
\]