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Concept: Open

Superconcept: Make-Accessible


Component Semantics:

Open
Definition: Causes an object to be opened, thereby allowing various actions
Required slot: object
Restriction: exactly 1 Portal-Covering
Required slot: pre-conditions
Restriction: object is not the object of any Be-Open state
Restriction: object is the object of a Be-Closed state
Restriction: the object is-part-of a Enclosure
Restriction: the Portal of the Enclosure which the object is-part-of is in a Be-Blocked state
Restriction: the location of the object is the the Portal of the Enclosure that object is-part-of
Required slot: post-conditions
Restriction: object is the object of a Be-Open state
Restriction: the Portal of the Enclosure which the object is-part-of is no longer in a Be-Blocked state
Restriction: the location of the object is no longer the Portal of the Enclosure that object is-part-of
Primary slot: agent
Restriction: causes object to be open
Primary slot: instrument
Restriction: Thing used to accomplish the Open
WordNet 1.6 Synsets: open#6, open_up#3
WordNet 1.6 Synsets: afford#2, unfasten#2

The Open action puts an object into the Be-Opened state while at the same time taking the object out of the Be-Closed state. The action Close does the exact opposite.