data-path="notations-and-functions.html"><a href="notations-and-functions.html"><i class="fa fa-check"></i><b>1</b> Notations and Functions</a>
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<li class="chapter" data-level="1.1" data-path="notations-and-functions.html"><a href="notations-and-functions.html#real-number-and-intervals"><i class="fa fa-check"></i><b>1.1</b> Real Number and intervals</a>
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<li class="chapter" data-level="1.1.1" data-path="notations-and-functions.html"><a href="notations-and-functions.html#real-number-line"><i class="f