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<b>let </b><font color="Maroon">p</font> be  non <a href="realset1.html#V1">trivial</a> <a href="struct_0.html#NM7">FinSequence</a> of <span class="p1">(<span class="default"><a href="euclid.html#K15">TOP-REAL</a> 2</span>)</span>;<br/><b>let </b><font color="Maroon">v</font> be   <a href="pre_topc.html#NM2">Point</a> of <span class="p1">(<span class="default"><a href="euclid.html#K15">TOP-REAL</a> 2</span>)</span>;<br/>



<a NAME="E1:10"/>
<font color="Maroon">p</font> <a href="sprect_2.html#R1">is_in_the_area_of</a> <font color="Maroon">p</font>
 
<b>by </b><i><a class="ref" href="sprect_2.html#T25">SPRECT_2:25</a></i>;<br/>
<b>hence </b><a NAME="E2:10"/>
 <a href="finseq_6.html#K1">Rotate</a> <font color="Maroon">p</font>,<font color="Maroon">v</font> <a href="sprect_2.html#R1">is_in_the_area_of</a> <font color="Maroon">p</font>
 <b>by </b><i/>;<br/>


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