Problem
1. Discuss briefly the relationships between generality and anticipation of change.
2. Discuss briefly the relationships between generality and abstraction.
3. Discuss briefly the relationship between incrementality and timeliness.
4. Discuss briefly the relationship between formality and anticipation of change.
5. Complete the case studies along, various directions: You may consider more requirements; you may go deeper into the modular structure of the systems; you can better investigate interfaces with the environment of the systems; you may investigate other cases where incrementality could be applied.