Couldn't muster up a mental model for formal analysis so thought I'd give google a try... first result is a very interesting resource. http://www.getty.edu/edu

Couldn't muster up a mental model for formal analysis so thought I'd give google a try... first result is a very interesting resource. http://www.getty.edu/education/teachers/building_lessons/formal_analysis.html http://www.getty.edu/education/teachers/building_lessons/for...