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+<head>
+  <link href="../favicon.ico" rel="shortcut icon" type="image/x-icon"/>
+  <link href="../style.css" rel="stylesheet"/>
+  <title>BQN: Equal (`=`)</title>
+</head>
+<div class="nav">(<a href="https://github.com/mlochbaum/BQN">github</a>) / <a href="../index.html">BQN</a> / <a href="index.html">help</a></div>
+<h1 id="equal-"><a class="header" href="#equal-">Equal (<code><span class='Function'>=</span></code>)</a></h1>
+<p><code><span class='Function'>=</span> <span class='Value'>𝕩</span></code>: Rank</p>
+<p>Returns the number of dimensions in <code><span class='Value'>𝕩</span></code>.</p>
+<pre>  <span class='Function'>=</span> <span class='Number'>0</span>
+<span class='Number'>0</span>
+  <span class='Function'>=</span> <span class='Number'>3</span><span class='Function'>⥊</span><span class='Number'>0</span>
+<span class='Number'>1</span>
+  <span class='Function'>=</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Function'>⥊</span><span class='Number'>0</span>
+<span class='Number'>2</span>
+  <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Bracket'>⟨⟨</span><span class='Number'>0</span><span class='Bracket'>⟩⟩</span>
+<span class='Number'>3</span>
+</pre>
+<p><code><span class='Value'>𝕨</span> <span class='Function'>=</span> <span class='Value'>𝕩</span></code>: Equal To</p>
+<p><a href="https://mlochbaum.github.io/BQN/doc/arithmetic.html#pervasion">Pervasive.</a></p>
+<pre>  <span class='Number'>1</span> <span class='Function'>=</span> <span class='Number'>3</span>
+<span class='Number'>0</span>
+  <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>0</span> <span class='Function'>=</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>1</span><span class='Ligature'>‿</span><span class='Number'>0</span>
+<span class='Bracket'>⟨</span> <span class='Number'>0</span> <span class='Number'>0</span> <span class='Number'>1</span> <span class='Bracket'>⟩</span>
+  <span class='String'>'a'</span> <span class='Function'>=</span> <span class='String'>'a'</span>
+<span class='Number'>1</span>
+</pre>