edium; line-height: normal;"><img alt="Click here for suggested reading on this topic" border="0" src="/cycdoc/img/cb/book_icon.gif" width="30" />   Tutorial lesson on microtheories</p>
<p style="font-family: Arial, sans-serif; font-size: medium; line-height: normal;">Note: At this point in the walk through, you have a choice to make. You can go through the quicker version that avoids (for now) some of the details about working with microtheories; or you can click here to use the more detailed version,