 id="3.5.3.2" class="anchor">
<a class="anchor__link link" href="#3.5.3.2" aria-hidden="true">#</a> Infinite streams of pairs
</h3>
<ul>
<li>Previously, we handled traditional nested loops as processes defined on sequences of pairs.</li>
<li>We can find all pairs <span class="katex"><span class="katex-mathml"><math><semantics><mrow><mo stretchy="false">(</mo><mi>i</mi><mo separator="true">,</mo><mi>j</mi><mo stretchy="false">)</mo></mrow><annotation encoding="application/x-tex">(i,j)</annotation></semantics