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<b>let </b><font color="Maroon" title="c1">N</font> be   <a href="e_siec.html#NM2" title="E_SIEC:NM.2">e_net</a>;<br/>

<a NAME="E1:30"/><i><font color="Green" title="E13">A1</font></i>: 
 <a href="e_siec.html#K10" title="E_SIEC:func.10">e_Flow</a> <font color="Maroon" title="c1">N</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default">the <a href="e_siec.html#U1" title="E_SIEC:sel.1">entrance</a> of <font color="Maroon" title="c1">N</font> <a href="relat_1.html#K4" title="RELAT_1:func.4">~</a> </span>)</span> <a href="xboole_0.html#K4" title="XBOOLE_0:func.4">\</a> <span class="p2">(<span class="default"><a href="relat_1.html#K6" title="RELAT_1:func.6">id</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c1">N</font></span>)</span></span>)</span> <a href="xboole_0.html#K2" title="XBOOLE_0:func.2">\/</a> <span class="p1">(<span class="default">the <a href="e_siec.html#U2" title="E_SIEC:sel.2">escape</a> of <font color="Maroon" title="c1">N</font> <a href="xboole_0.html#K4" title="XBOOLE_0:func.4">\</a> <span class="p2">(<span class="default"><a href="relat_1.html#K6" title="RELAT_1:func.6">id</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c1">N</font></span>)</span></span>)</span>
 
<b>by </b><i><a class="ref" href="xboole_1.html#T42" title="XBOOLE_1:th.42">XBOOLE_1:42</a></i>;<br/>
<i><font color="Green" title="E14">A2</font></i>: <span class="p1">(<span class="default">the <a href="e_siec.html#U1" title="E_SIEC:sel.1">entrance</a> of <font color="Maroon" title="c1">N</font> <a href="relat_1.html#K4" title="RELAT_1:func.4">~</a> </span>)</span> <a href="xboole_0.html#K4" title="XBOOLE_0:func.4">\</a> <span class="p1">(<span class="default"><a href="relat_1.html#K6" title="RELAT_1:func.6">id</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c1">N</font></span>)</span> = 
<span class="p1">(<span class="default">the <a href="e_siec.html#U1" title="E_SIEC:sel.1">entrance</a> of <font color="Maroon" title="c1">N</font> <a href="relat_1.html#K4" title="RELAT_1:func.4">~</a> </span>)</span> <a href="xboole_0.html#K4" title="XBOOLE_0:func.4">\</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="relat_1.html#K6" title="RELAT_1:func.6">id</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c1">N</font></span>)</span> <a href="relat_1.html#K4" title="RELAT_1:func.4">~</a> </span>)</span>
<b>by </b><i><a class="ref" href="relat_1.html#T72" title="RELAT_1:th.72">RELAT_1:72</a></i>
<br/>.= 
<span class="p1">(<span class="default">the <a href="e_siec.html#U1" title="E_SIEC:sel.1">entrance</a> of <font color="Maroon" title="c1">N</font> <a href="xboole_0.html#K4" title="XBOOLE_0:func.4">\</a> <span class="p2">(<span class="default"><a href="relat_1.html#K6" title="RELAT_1:func.6">id</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c1">N</font></span>)</span></span>)</span> <a href="relat_1.html#K4" title="RELAT_1:func.4">~</a> 
<b>by </b><i><a class="ref" href="relat_1.html#T41" title="RELAT_1:th.41">RELAT_1:41</a></i>
;<br/>
<a NAME="E3:30"/>
the <a href="e_siec.html#U1" title="E_SIEC:sel.1">entrance</a> of <font color="Maroon" title="c1">N</font> <a href="xboole_0.html#K4" title="XBOOLE_0:func.4">\</a> <span class="p1">(<span class="default"><a href="relat_1.html#K6" title="RELAT_1:func.6">id</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c1">N</font></span>)</span> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a> <span class="p1"><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">[:</a><span class="default"><span class="p2">(<span class="default"><a href="e_siec.html#K9" title="E_SIEC:func.9">e_Transitions</a> <font color="Maroon" title="c1">N</font></span>)</span>,<span class="p2">(<span class="default"><a href="e_siec.html#K8" title="E_SIEC:func.8">e_Places</a> <font color="Maroon" title="c1">N</font></span>)</span></span><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">:]</a></span>
 
<b>by </b><i><a class="ref" href="e_siec.html#T24" target="_self" title="E_SIEC:th.24">Th24</a></i>;<br/>
<a NAME="E4:30"/><b>then </b><i><font color="Green" title="E15">A3</font></i>: 
<span class="p1">(<span class="default">the <a href="e_siec.html#U1" title="E_SIEC:sel.1">entrance</a> of <font color="Maroon" title="c1">N</font> <a href="relat_1.html#K4" title="RELAT_1:func.4">~</a> </span>)</span> <a href="xboole_0.html#K4" title="XBOOLE_0:func.4">\</a> <span class="p1">(<span class="default"><a href="relat_1.html#K6" title="RELAT_1:func.6">id</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c1">N</font></span>)</span> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a> <span class="p1"><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">[:</a><span class="default"><span class="p2">(<span class="default"><a href="e_siec.html#K8" title="E_SIEC:func.8">e_Places</a> <font color="Maroon" title="c1">N</font></span>)</span>,<span class="p2">(<span class="default"><a href="e_siec.html#K9" title="E_SIEC:func.9">e_Transitions</a> <font color="Maroon" title="c1">N</font></span>)</span></span><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">:]</a></span>
 
<b>by </b><i><a class="txt" href="e_siec.html#E2:30"><i><font color="Green" title="E14">A2</font></i></a>, <a class="ref" href="sysrel.html#T16" title="SYSREL:th.16">SYSREL:16</a></i>;<br/>
<a NAME="E5:30"/>
the <a href="e_siec.html#U2" title="E_SIEC:sel.2">escape</a> of <font color="Maroon" title="c1">N</font> <a href="xboole_0.html#K4" title="XBOOLE_0:func.4">\</a> <span class="p1">(<span class="default"><a href="relat_1.html#K6" title="RELAT_1:func.6">id</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c1">N</font></span>)</span> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a> <span class="p1"><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">[:</a><span class="default"><span class="p2">(<span class="default"><a href="e_siec.html#K9" title="E_SIEC:func.9">e_Transitions</a> <font color="Maroon" title="c1">N</font></span>)</span>,<span class="p2">(<span class="default"><a href="e_siec.html#K8" title="E_SIEC:func.8">e_Places</a> <font color="Maroon" title="c1">N</font></span>)</span></span><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">:]</a></span>
 
<b>by </b><i><a class="ref" href="e_siec.html#T24" target="_self" title="E_SIEC:th.24">Th24</a></i>;<br/>
<b>hence </b><a NAME="E6:30"/>
 <a href="e_siec.html#K10" title="E_SIEC:func.10">e_Flow</a> <font color="Maroon" title="c1">N</font> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a> <span class="p1"><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">[:</a><span class="default"><span class="p2">(<span class="default"><a href="e_siec.html#K8" title="E_SIEC:func.8">e_Places</a> <font color="Maroon" title="c1">N</font></span>)</span>,<span class="p2">(<span class="default"><a href="e_siec.html#K9" title="E_SIEC:func.9">e_Transitions</a> <font color="Maroon" title="c1">N</font></span>)</span></span><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">:]</a></span> <a href="xboole_0.html#K2" title="XBOOLE_0:func.2">\/</a> <span class="p1"><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">[:</a><span class="default"><span class="p2">(<span class="default"><a href="e_siec.html#K9" title="E_SIEC:func.9">e_Transitions</a> <font color="Maroon" title="c1">N</font></span>)</span>,<span class="p2">(<span class="default"><a href="e_siec.html#K8" title="E_SIEC:func.8">e_Places</a> <font color="Maroon" title="c1">N</font></span>)</span></span><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">:]</a></span>
 <b>by </b><i><a class="txt" href="e_siec.html#E1:30"><i><font color="Green" title="E13">A1</font></i></a>, <a class="txt" href="e_siec.html#E4:30"><i><font color="Green" title="E15">A3</font></i></a>, <a class="ref" href="xboole_1.html#T13" title="XBOOLE_1:th.13">XBOOLE_1:13</a></i>;<br/>


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