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meta name="generator" content="DocBook XSL Stylesheets V1.68.1" /><link rel="start" href="index.html" title="Matita V0.1.0 Manual (rev. 0)" /><link rel="up" href="sec_tactics.html" title="Chapter 6. Tactics" /><link rel="prev" href="tac_unfold.html" title="unfold [sterm] <pattern>" /><link rel="next" href="sec_tacticals.html" title="Chapter 7. Tacticals" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">whd <pattern></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="tac_unfold.html">Prev</a> </td><th width="60%" align="center">Chapter 6. Tactics</th><td width="20%" align="right"> <a accesskey="n" href="sec_tacticals.html">Next</a></td></tr></table><hr /></div><div class="sect1" lang="en" xml:lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="tac_whd"></a>whd <pattern></h2></div></div></div><p><strong class="userinput"><code>whd patt</code></strong></p><p>
+<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>whd <pattern></title><
link rel="stylesheet" href="docbook.css" type="text/css" /><meta name="generator" content="DocBook XSL Stylesheets V1.68.1" /><link rel="start" href="index.html" title="Matita V0.1.0 User Manual (rev. 1α)" /><link rel="up" href="sec_tactics.html" title="Chapter 6. Tactics" /><link rel="prev" href="tac_unfold.html" title="unfold [sterm] <pattern>" /><link rel="next" href="sec_tacticals.html" title="Chapter 7. Tacticals" /></head><body><a xmlns="" href="../../"><div class="matita_logo"><img src="../../images/matita-tiny.png" alt="Tiny Matita logo" /><span>Matita Home</span></div></a><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">whd <pattern></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="tac_unfold.html">Prev</a> </td><th width="60%" align="center">Chapter 6. Tactics</th><td width="20%" align="right"> <a accesskey="n" href="sec_tacticals.html">Next</a></td></tr></table><hr /></div><div class="sect1" lang="en" xml:lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="tac_whd"></a>whd <pattern></h2></div></div></div><p><strong class="userinput"><code>whd patt</code></strong></p><p>
</p><div class="variablelist"><dl><dt><span class="term">Pre-conditions:</span></dt><dd><p>None.</p></dd><dt><span class="term">Action:</span></dt><dd><p>It replaces all the terms matched by <span><strong class="command">patt</strong></span>
with their βδιζ-weak-head normal form.</p></dd><dt><span class="term">New sequents to prove:</span></dt><dd><p>None.</p></dd></dl></div><p>
</p></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="tac_unfold.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="sec_tactics.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="sec_tacticals.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">unfold [sterm] <pattern> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> Chapter 7. Tacticals</td></tr></table></div></body></html>
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