collective author

Deductions

• collective author has part social position ⇐ (writer is a social position), (collective author has part writer)
• collective author has part concept ⇐ (class is a concept), (collective author has part class)
• collective author has part entity ⇐ (writer is a entity), (collective author has part writer)
• collective author has part abstract entity ⇐ (writer is a abstract entity), (collective author has part writer)
• collective author has part class ⇐ (writer is a class), (collective author has part writer)
• collective author is for example group of authors ⇐ (group of authors is a collective author), (is a is inverse of is for example)