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<div><span class="kw">theorem </span><a NAME="T10"><span class="comment"><font color="firebrick">:: IDEA_1:10</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">n</font> being   <a href="ordinal1.html#NM6" title="ORDINAL1:NM.6">Nat</a> holds  <font color="Olive" title="b1">n</font> <a href="binari_3.html#K1" title="BINARI_3:func.1">-BinarySequence</a> <a href="numbers.html#K5" title="NUMBERS:func.5">0</a> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="idea_1.html#K1" title="IDEA_1:func.1">ZERO</a> <font color="Olive" title="b1">n</font></div></div>
