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 <a href="fib_num3.html#K2" title="FIB_NUM3:func.2">Lucas</a> 2 = 
 <a href="fib_num3.html#K2" title="FIB_NUM3:func.2">Lucas</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="numbers.html#K5" title="NUMBERS:func.5">0</a> <a href="nat_1.html#K1" title="NAT_1:func.1">+</a> 1</span>)</span> <a href="nat_1.html#K1" title="NAT_1:func.1">+</a> 1</span>)</span>

<br/>.= 
2 <a href="nat_1.html#K1" title="NAT_1:func.1">+</a> 1
<span class="kw">by</span> <span class="lab"><a class="ref" href="fib_num3.html#T11" target="_self" onmouseover="rs('fib_num3/T11')" onmouseout="rh()">Th11</a></span>
<br/>.= 
3

;<br/>
<span class="kw">hence </span><a NAME="E2:17"/>
 <a href="fib_num3.html#K2" title="FIB_NUM3:func.2">Lucas</a> 2 <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> 3
 ; <a class="txt" onmouseover="tooltip.show('hs',this)" onmouseout="tooltip.hide()" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="firebrick">::  thesis: </font></span></a><span class="hide"> verum</span><br/>


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