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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E14">Th21</font></span>: <a NAME="T21"><span class="comment"><font color="firebrick">:: JORDAN1K:21</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">q</font>, <font color="Olive" title="b2">q1</font>, <font color="Olive" title="b3">q2</font> being   <a href="pre_topc.html#NM2" title="PRE_TOPC:NM.2">Point</a> of <span class="p1">(<span class="default"><a href="euclid.html#K15" title="EUCLID:func.15">TOP-REAL</a> 2</span>)</span> holds   <a href="topreal6.html#K1" title="TOPREAL6:func.1">dist</a> (<span class="p1">(<span class="default"><font color="Olive" title="b2">q1</font> <a href="rlvect_1.html#K3" title="RLVECT_1:func.3">+</a> <font color="Olive" title="b1">q</font></span>)</span>,<span class="p1">(<span class="default"><font color="Olive" title="b3">q2</font> <a href="rlvect_1.html#K3" title="RLVECT_1:func.3">+</a> <font color="Olive" title="b1">q</font></span>)</span>) <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="topreal6.html#K1" title="TOPREAL6:func.1">dist</a> (<font color="Olive" title="b2">q1</font>,<font color="Olive" title="b3">q2</font>)</div></div>
