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<b>consider </b><font color="Maroon">OAS</font> being  <a href="analoaf.html#V1">strict</a> <a href="analoaf.html#NM1">OAffinSpace</a>;<br/>
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( ( for <font color="Olive">x</font>, <font color="Olive">y</font>, <font color="Olive">z</font>, <font color="Olive">t</font>, <font color="Olive">a</font>, <font color="Olive">b</font> being  <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">OAS</font>  st <font color="Olive">x</font>,<font color="Olive">y</font> <a href="analoaf.html#R2">//</a> <font color="Olive">a</font>,<font color="Olive">b</font> &amp; <font color="Olive">a</font>,<font color="Olive">b</font> <a href="analoaf.html#R2">//</a> <font color="Olive">z</font>,<font color="Olive">t</font> &amp; <font color="Olive">a</font> <a href="hidden.html#NR2" target="_self">&lt;&gt;</a> <font color="Olive">b</font> holds <br/><font color="Olive">x</font>,<font color="Olive">y</font> <a href="analoaf.html#R2">//</a> <font color="Olive">z</font>,<font color="Olive">t</font> ) &amp; ( for <font color="Olive">x</font>, <font color="Olive">y</font>, <font color="Olive">z</font> being  <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">OAS</font> holds  <font color="Olive">x</font>,<font color="Olive">x</font> <a href="analoaf.html#R2">//</a> <font color="Olive">y</font>,<font color="Olive">z</font> ) &amp; ( for <font color="Olive">x</font>, <font color="Olive">y</font>, <font color="Olive">z</font>, <font color="Olive">t</font> being  <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">OAS</font>  st <font color="Olive">x</font>,<font color="Olive">y</font> <a href="analoaf.html#R2">//</a> <font color="Olive">z</font>,<font color="Olive">t</font> holds <br/><font color="Olive">z</font>,<font color="Olive">t</font> <a href="analoaf.html#R2">//</a> <font color="Olive">x</font>,<font color="Olive">y</font> ) &amp; ( for <font color="Olive">x</font>, <font color="Olive">y</font> being  <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">OAS</font> holds  <font color="Olive">x</font>,<font color="Olive">y</font> <a href="analoaf.html#R2">//</a> <font color="Olive">x</font>,<font color="Olive">y</font> ) )
 
<b>by </b><i><a class="ref" href="diraf.html#T4">DIRAF:4</a>, <a class="ref" href="diraf.html#T5">DIRAF:5</a>, <a class="ref" href="diraf.html#T6">DIRAF:6</a>, <a class="ref" href="diraf.html#T7">DIRAF:7</a></i>;<br/>
<a NAME="E3:30_1_1"/><b>then </b>
<font color="Maroon">OAS</font> is <a href="transgeo.html#V1" target="_self">CongrSpace-like</a>
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E4:30_1_1"/>
 ex <font color="Olive">b<sub>1</sub></font> being non <a href="struct_0.html#V3">empty</a>  <a href="analoaf.html#L1">AffinStruct</a>  st <br/>( <font color="Olive">b<sub>1</sub></font> is <a href="analoaf.html#V1">strict</a> &amp; <font color="Olive">b<sub>1</sub></font> is <a href="transgeo.html#V1" target="_self">CongrSpace-like</a> )
 ;<br/>


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