Assertion: time travel | /r/CapableOf | impose constraint
Facets:
value: prior to such time travel
type: TEMPORAL
value: upon the states of people
type: TRANSITIVE-OBJECT
Source sentences:
text: Let us illustrate this argument in a different way by assuming that wormhole time travel imposes constraints upon the states of people prior to such time travel, where the people have so little mass/energy that they have negligible effect, via the Einstein equation, on the local metric properties of space-time.