eded.html"><a href="software-needed.html"><i class="fa fa-check"></i>Software needed</a></li>
<li class="chapter" data-level="" data-path="acknowledgements.html"><a href="acknowledgements.html"><i class="fa fa-check"></i>Acknowledgements</a></li>
</ul></li>
<li class="chapter" data-level="" data-path="about-the-authors.html"><a href="about-the-authors.html"><i class="fa fa-check"></i>About the Authors</a></li>
<li class="part"><span><b>I Foundational ideas</b></span></li>
<li class="chapter" data-level="1" 