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Concept: Unobstruct

Superconcept: Make-Accessible


Component Semantics:

Unobstruct
Definition: uninhibit Movement
Required slot: object
Restriction: an Entity
Comment: see Obstruct
Required slot: pre-conditions
Restriction: object is the object of a Be-Obstructed state
Required slot: post-conditions
Restriction: object is not the object of a Be-Obstructed state
Primary slot: agent
Restriction: causes object to be Unobstructed
Primary slot: instrument
Inherited from: Event
Restriction: the thing used to unobstruct the object
WordNet 1.6 Synsets: --
WordNet 1.6 Synsets: disengage#2, free#7

Unobstruct is the top-level concept for actions that take objects out of states that prevent various kinds of movement. Unobstruct itself takes an object in a Be-Obstructed state (the result of an Obstruct action) and removes it from that state.