[nky]

By Liberal Arts do you mean in the Classical sense?
the Trivium

1. grammar
   
2. logic
   
3. rhetoric
   

the Quadrivium

1. arithmetic
   
2. astronomy, often called astrology; both modern senses were covered
   
3. music
   
4. geometry
   

Because in a way the states core classes for graduation are based on these. Look at graduation requirements, then look back at the 7 Liberal Arts