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The "FlashBoard" will surface from time to time in your tutorial. Sample:

A tutorial might analyze an argument like this:
    Agnes will get an 'A' or a 'B' in logic class.
     She, it turns out, does not get an 'A'.       
     So, she will get a 'B'.                              
We will want to consider the form or structure of this argument.

Now, if you haven't done so already, mouseover the yellow-green at the top right...