Pipe-calculus: Difference between revisions

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</math>
</math>


Alternative composition is commutative, associative and idempotent. <math>\fail</math> is its neutral element.
Alternative composition is commutative, associative and idempotent with neutral element <math>\fail</math> and absorbing element <math>\succeed</math>.


<math>
<math>
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s \alt s = & ~s \\
s \alt s = & ~s \\
s \alt \fail = & ~s \\
s \alt \fail = & ~s \\
s \alt \succeed = & \succeed \\
\end{align}
\end{align}
</math>
</math>
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</math>
</math>


Pipe is associative and its neutral element is <math>\pass</math>.
Pipe is associative with neutral element <math>\pass</math>.


<math>
<math>
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