The English language is constantly evolving, both the words we use and the rules
that control the usage of those words. Therefore, it is impossible to ever have a definitive grammar guide, or, if you
will, a Complete Guide of American English. And that’s why we're not even trying anymore.
So... you're attending a liberal arts college where you are pursuing a degree in liberal arts, and you're
complaining that the professor who teaches all those liberal arts is... liberal.
