| How can we look at human behavior as systems of puposeful (teleological) events? (PS 3) |
| What is the process that makes purposeful behavior possible? (PS 65) |
| What is communication between purposeful individuals? (PS 139) |
| How do we define and characterize ideal-seeking systems? (PS 237) |
| What can we do with the state of the world? (RF pvii) |