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<b>let </b><font color="Maroon">X</font> be  non <a href="struct_0.html#V3">empty</a> <a href="pre_topc.html#NM1">TopSpace</a>;<br/><b>let </b><font color="Maroon">X0</font> be  non <a href="struct_0.html#V3">empty</a>  <a href="pre_topc.html#M1">SubSpace</a> of <font color="Maroon">X</font>;<br/>



<a NAME="E1:128"/>
for <font color="Olive">x0</font> being  <a href="pre_topc.html#NM2">Point</a> of <font color="Maroon">X0</font> holds  <span class="p1">(<span class="default"><a href="tmap_1.html#K9" target="_self">modid</a> <font color="Maroon">X</font>,<font color="Maroon">X0</font></span>)</span> <a href="tmap_1.html#K2" target="_self">|</a> <font color="Maroon">X0</font> <a href="tmap_1.html#R1" target="_self">is_continuous_at</a> <font color="Olive">x0</font>
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E2:128"/>
<span class="p1">(<span class="default"><a href="tmap_1.html#K9" target="_self">modid</a> <font color="Maroon">X</font>,<font color="Maroon">X0</font></span>)</span> <a href="tmap_1.html#K2" target="_self">|</a> <font color="Maroon">X0</font> is  <a href="pre_topc.html#V5">continuous</a> <a href="struct_0.html#NM6">Function</a> of <font color="Maroon">X0</font>,<span class="p1">(<span class="default"><font color="Maroon">X</font> <a href="tmap_1.html#K8" target="_self">modified_with_respect_to</a> <font color="Maroon">X0</font></span>)</span>
 <b>by </b><i/>;<br/>


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