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<div>:: <span class="kw">deftheorem </span><span class="lab"><font color="Green" title="E77">Def15</font></span>   defines <a href="number15.html#K12" title="NUMBER15:func.12">Solutions_of_Sierp168</a> <a onclick="hs(this)" href="javascript:()">NUMBER15:def 15 : <br/></a><span> for <font color="Olive" title="b1">s</font> being   <a href="xxreal_0.html#V2" title="XXREAL_0:attr.2">positive</a>  <a href="ordinal1.html#NM6" title="ORDINAL1:NM.6">Nat</a><br/>  for <font color="Olive" title="b2">f</font> being  <font color="Olive">b<sub>1</sub></font> <a href="nat_1.html#K1" title="NAT_1:func.1">+</a> 1 <a href="card_1.html#V3" title="CARD_1:attr.3">-element</a>   <a href="valued_0.html#V6" title="VALUED_0:attr.6">natural-valued</a>   <a href="partfun3.html#V1" title="PARTFUN3:attr.1">positive-yielding</a>  <a href="finseq_1.html#NM1" title="FINSEQ_1:NM.1">FinSequence</a><br/>  for <font color="Olive">b<sub>3</sub></font> being   <a href="pboole.html#NM1" title="PBOOLE:NM.1">ManySortedSet</a> of  <a href="nat_lat.html#K6" title="NAT_LAT:func.6">NATPLUS</a>  holds <br/> ( <font color="Olive">b<sub>3</sub></font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="number15.html#K12" title="NUMBER15:func.12">Solutions_of_Sierp168</a> <font color="Olive" title="b2">f</font> iff  for <font color="Olive" title="b4">n</font> being   non  <a href="ordinal1.html#V8" title="ORDINAL1:attr.8">zero</a>  <a href="ordinal1.html#NM6" title="ORDINAL1:NM.6">Nat</a> holds  <font color="Olive">b<sub>3</sub></font> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <font color="Olive" title="b4">n</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Olive" title="b4">n</font> <a href="valued_1.html#K24" title="VALUED_1:func.24">(#)</a> <font color="Olive" title="b2">f</font> );<br/></span></div>
