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<center><h2>Class 7 Notes</h2></center>

<div class=reading>
<center>
<a href="../slides/class07-2x3.pdf">Lecture Slides, Suitable For Printing</a> 
</center> 
</div> 

<h4>Languages</h4> 

How can we compare notations for describing languages?
<p>
<p><br><p><br><p><br><p><br>
<br>
<p>

What is the difference between RTN and BNF?
<p class="page"></p>

Get started on PS3!



<h4>
Links
</h4>

<ul>
<li> Listen to Bach's 
<A
href="http://www.people.vcu.edu/~elhaij/GEB/Music/BachHarmonicLabyrinth.mid"><em>Little
Harmonic Labyrinth</em></a> (MIDI file); <a href="http://www.people.vcu.edu/~elhaij/GEB/Music/index.html">More GEB Music from VCU course</a>

<li> Listen to the Beatle's
<a href="http://www.youtube.com/watch?v=YXG83p2nkHw">Hey Jude</a>. 

<li> <a href="http://www.gnu.org/">GNU's Not Unix</a> (<em>GOD Over Djinn</em>-like acronym)
<li><a
href="http://www.fractalwisdom.com/FractalWisdom/fractal.html">
<em>The Story of Benoit B. Mandelbrot
and the Geometry of Chaos</em>
</a>

</ul>

<div class="warning">
Hofstadter's Law: <em>It always takes longer than you expect,<br>even when you
take Hofstadter's Law into account.</em>
</div> 

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