Assertion: hypothesis | /r/HasProperty | a plurality of alien cultures
Facets:
Source sentences:
text: If there is a plurality of alien cultures, however, this theory may break down under the uniformity of motive concept because it would take just a single extraterrestrial civilization to decide to act contrary to the imperative within our range of detection for it to be undone, and the probability of such a violation of hegemony increases with the number of civilizations.