Relation:
preparatory-event
From:
Event
To:
Event
Description:
the event that prepares for the second event so the preconditions of the second event are true.
Examples:
John
opened the door
, and
walked out
.
Neighboring Concepts:
Similar to...
But different because...
prevents
An preparatory-event is about makes an event possible, a "prevent" is about makes an event impossible.