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<div><span class="kw">theorem </span><a NAME="T78"><span class="comment"><font color="firebrick">:: BKMODEL4:78</font></span><br/></a><div class="add"> <a href="bkmodel3.html#K9" title="BKMODEL3:func.9">BK-model-Plane</a>  is  <a href="gtarski1.html#V7" title="GTARSKI1:attr.7">satisfying_BetweennessIdentity</a> </div></div>
