Please read this blog regularly; we will use it to post announcements (e.g., "There is a correction to problem 3 on the homework..."), lecture corrigenda and updates, homework hints, etc. There will be no mailing list for the class.

We will also use MathML in these posts; if it is working correctly for you, the following statements should look basically the same:

A set system

*L*is "laminar" if for all

*A*,

*B*∈

*L*, either

*A*∩

*B*= Ø,

*A*⊆

*B*, or

*B*⊆

*A*.

A set system $L$ is "laminar" if for all $A$, $B$ $\in$ $L$, either $A \cap B = \emptyset$, $A \subseteq B$, or $B \subseteq A$.

To get this to work, on IE I believe you download an ActiveX control here:

http://www.dessci.com/en/products/mathplayer/download.htm

If you use Firefox, try going here:

http://www.mozilla.org/projects/mathml/fonts

## 1 comment:

And I am testing the comments feature....

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