| ++Philosurfical: Generic teaching: not all teaching takes place in schools... |
| •owl:Thing |
| •PHILOSURFICAL-ENTITY |
| •CRM-ENTITY |
| •TEMPORAL-ENTITY |
| •PERIOD |
| •EVENT |
| •ACTIVITY |
| •SOCIAL-ACTIVITY |
| •EDUCATIONAL-ACTIVITY |
| •TEACHING |
Class(TEACHING partial EDUCATIONAL-ACTIVITY
restriction(HAS-LEARNER allValuesFrom(PERSON))
restriction(HAS-TEACHER allValuesFrom(PERSON)))