Deductions
- educational system has quality social interaction ⇐ (educational system is subclass of social system), (social system has quality social interaction)
- regime has quality social interaction ⇐ (regime is subclass of social system), (social system has quality social interaction)
- type is for example social interaction ⇐ (social interaction is a type), (is a is inverse of is for example)
- social interaction is a type ⇐ (type of interaction is subclass of type), (social interaction is a type of interaction)
- type of interaction is for example social interaction ⇐ (social interaction is a type of interaction), (is a is inverse of is for example)
- economy of Cambridge has quality social interaction ⇐ (economy of Cambridge is a social system), (social system has quality social interaction)
- economy of London has quality social interaction ⇐ (economy of London is a social system), (social system has quality social interaction)
- economy of the Russian Empire has quality social interaction ⇐ (economy of the Russian Empire is a social system), (social system has quality social interaction)
- world economy has quality social interaction ⇐ (world economy is a social system), (social system has quality social interaction)
- economy of Washington, D.C. has quality social interaction ⇐ (economy of Washington, D.C. is a social system), (social system has quality social interaction)