Assertion: issue | /r/HasProperty | unique
Facets:
Source sentences:
text: The shared conceptual foundation between issue tracking systems and bugtrackers is that a valid issue must be amenable to a decisive resolution (such as "completed", "fixed", or a group consensus that the issue is not worth solving, such as "not a problem" or "won't fix"); that each issue is unique (duplicate problem reports are in most cases promptly amalgamated into a single active issue or ticket); and—beyond the screening stage—that there is precisely one person assigned formal responsibility to move the issue forward (this formal baton will often bounce around many times as the issue evolves).