3.
Which kind of planning consists of successive representations of different levels of a plan?

6.
PROLOG is an AI programming language which solves problems with a form of symbolic logic known as predicate calculus. It was developed in 1972 at the University of Marseilles by a team of specialists. Can you name the person who headed this team?

7.
Programming a robot by physically moving it through the trajectory you want it to follow is called: