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<div><span class="kw">theorem </span><a NAME="T4"><span class="comment"><font color="firebrick">:: GLIB_009:4</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">f</font> being   <a href="funct_1.html#NM1" title="FUNCT_1:NM.1">Function</a><br/>  for <font color="Olive" title="b2">Y</font> being    <a href="hidden.html#M2" title="HIDDEN:mode.2">set</a>  holds  <font color="Olive" title="b2">Y</font> <a href="relat_1.html#K6" title="RELAT_1:func.6">|`</a> <font color="Olive" title="b1">f</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Olive" title="b1">f</font> <a href="relat_1.html#K5" title="RELAT_1:func.5">|</a> <span class="p1">(<span class="default"><a href="relat_1.html#NK1" title="RELAT_1:NK.1">dom</a> <span class="p2">(<span class="default"><font color="Olive" title="b2">Y</font> <a href="relat_1.html#K6" title="RELAT_1:func.6">|`</a> <font color="Olive" title="b1">f</font></span>)</span></span>)</span></div></div>
