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<b>let </b><font color="Maroon" title="c3">P</font> be    <a href="pcs_0.html#L1" title="PCS_0:struct.1">TolStr</a> ;<br/>

<b>assume </b><a NAME="E1:33_1_1"/>
<font color="Maroon" title="c3">P</font> is <a href="struct_0.html#V2" title="STRUCT_0:attr.2">empty</a>
 ;<br/>

<a NAME="E2:33_1_1"/><b>then </b><i><font color="Green" title="E15">a1</font></i>: 
 <a href="pcs_0.html#G1" title="PCS_0:aggr.1">TolStr</a>(# the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">P</font>,the <a href="pcs_0.html#U1" title="PCS_0:sel.1">ToleranceRel</a> of <font color="Maroon" title="c3">P</font> #) <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="pcs_0.html#K5" title="PCS_0:func.5">emptyTolStr</a> 
 
<b>by </b><i><a class="ref" href="pcs_0.html#T2" target="_self" title="PCS_0:th.2">Th0</a></i>;<br/>
<a NAME="E3:33_1_1"/><b>then </b><i><font color="Green" title="E16">a2</font></i>: 
the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">P</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="pcs_0.html#K1" title="PCS_0:func.1">field</a> the <a href="pcs_0.html#U1" title="PCS_0:sel.1">ToleranceRel</a> of <font color="Maroon" title="c3">P</font>
 
<b>by </b><i><a class="ref" href="orders_1.html#T97" title="ORDERS_1:th.97">ORDERS_1:97</a></i>;<br/>
<b>hence </b><a NAME="E4:33_1_1"/>
the <a href="pcs_0.html#U1" title="PCS_0:sel.1">ToleranceRel</a> of <font color="Maroon" title="c3">P</font> <a href="relat_2.html#R1" title="RELAT_2:pred.1">is_reflexive_in</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">P</font>
 <b>by </b><i><a class="txt" href="pcs_0.html#E2:33_1_1"><i><font color="Green" title="E15">a1</font></i></a>, <a class="ref" href="relat_2.html#D9" title="RELAT_2:def.9">RELAT_2:def 9</a></i>; <i><font color="Red">:: according to </font></i><a class="ref" href="pcs_0.html#D9" target="_self" title="PCS_0:def.9">PCS_0:def 9</a><br/>

<b>thus </b><a NAME="E5:33_1_1"/>
the <a href="pcs_0.html#U1" title="PCS_0:sel.1">ToleranceRel</a> of <font color="Maroon" title="c3">P</font> <a href="relat_2.html#R2" title="RELAT_2:pred.2">is_irreflexive_in</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">P</font>
 <b>by </b><i><a class="txt" href="pcs_0.html#E2:33_1_1"><i><font color="Green" title="E15">a1</font></i></a>, <a class="txt" href="pcs_0.html#E3:33_1_1"><i><font color="Green" title="E16">a2</font></i></a>, <a class="ref" href="relat_2.html#D10" title="RELAT_2:def.10">RELAT_2:def 10</a></i>; <i><font color="Red">:: according to </font></i><a class="ref" href="pcs_0.html#D10" target="_self" title="PCS_0:def.10">PCS_0:def 10</a><br/>

<b>thus </b><a NAME="E6:33_1_1"/>
the <a href="pcs_0.html#U1" title="PCS_0:sel.1">ToleranceRel</a> of <font color="Maroon" title="c3">P</font> <a href="relat_2.html#R3" title="RELAT_2:pred.3">is_symmetric_in</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">P</font>
 <b>by </b><i><a class="txt" href="pcs_0.html#E2:33_1_1"><i><font color="Green" title="E15">a1</font></i></a>, <a class="txt" href="pcs_0.html#E3:33_1_1"><i><font color="Green" title="E16">a2</font></i></a>, <a class="ref" href="relat_2.html#D11" title="RELAT_2:def.11">RELAT_2:def 11</a></i>; <i><font color="Red">:: according to </font></i><a class="ref" href="pcs_0.html#D11" target="_self" title="PCS_0:def.11">PCS_0:def 11</a><br/>


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