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<b>let </b><font color="Maroon" title="c1">j1</font>, <font color="Maroon" title="c2">j2</font> be   <a href="int_1.html#NM1" title="INT_1:NM.1">Integer</a>;<br/>



<b>reconsider </b><font color="Maroon" title="c3">i1</font> = <font color="Maroon" title="c1">j1</font>, <font color="Maroon" title="c4">i2</font> = <font color="Maroon" title="c2">j2</font> as    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of  <a href="numbers.html#K4" title="NUMBERS:func.4">INT</a>  <b>by </b><i><a class="ref" href="int_1.html#D2" title="INT_1:def.2">INT_1:def 2</a></i>;<br/>
<a NAME="E2:5"/>
<a href="binop_2.html#K44" title="BINOP_2:func.44">addint</a>  <a href="binop_1.html#K2" title="BINOP_1:func.2">.</a> <font color="Maroon" title="c3">i1</font>,<font color="Maroon" title="c4">i2</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c1">j1</font> <a href="xcmplx_0.html#K2" title="XCMPLX_0:func.2">+</a> <font color="Maroon" title="c2">j2</font>
 
<b>by </b><i><a class="ref" href="binop_2.html#D20" title="BINOP_2:def.20">BINOP_2:def 20</a></i>;<br/>
<b>hence </b><a NAME="E3:5"/>
<a href="binop_2.html#K44" title="BINOP_2:func.44">addint</a>  <a href="binop_1.html#K1" title="BINOP_1:func.1">.</a> <font color="Maroon" title="c1">j1</font>,<font color="Maroon" title="c2">j2</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c1">j1</font> <a href="xcmplx_0.html#K2" title="XCMPLX_0:func.2">+</a> <font color="Maroon" title="c2">j2</font>
 ;<br/>


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