Pipe-calculus: Difference between revisions

Line 144: Line 144:
<math>
<math>
\begin{align}
\begin{align}
s \seq (t \seq u) = & (s \seq t) \seq u  \\
s \seq (t \seq u) = & ~(s \seq t) \seq u  \\
t \seq \null = & \null \seq t = t \\
t \seq \null = & ~\null \seq t = ~t \\
\end{align}
\end{align}
</math>
</math>
Line 153: Line 153:
<math>
<math>
\begin{align}
\begin{align}
t \mid u = & u \mid t \\
t \mid u = & ~u \mid t \\
s \mid (t \mid u) = & (s \mid t) \mid u  \\
s \mid (t \mid u) = & ~(s \mid t) \mid u  \\
t \mid t = & t \\
t \mid t = & ~t \\
t \mid \fail = & t \\
t \mid \fail = & ~t \\
\end{align}
\end{align}
</math>
</math>
Line 164: Line 164:
<math>
<math>
\begin{align}
\begin{align}
(s \mid t) \seq u = & s \seq u \mid t \seq u  
(s \mid t) \seq u = & ~s \seq u \mid t \seq u  
\end{align}
\end{align}
</math>
</math>
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