The phrase "acknowledged unknown" is correct and usable in written English.
It can be used in contexts where something is recognized as being unknown or not fully understood, often in discussions about knowledge, research, or data.
Example: "In the study, the researchers identified several acknowledged unknowns that could impact the results."
Alternatives: "recognized uncertainty" or "accepted ambiguity".
Wright has alluded to a desire to stay, but he — like Dickey and Alderson — has always taken care to acknowledge unknown factors and outcomes.
In the next section, we explore the impact that the failure to acknowledge unknown knowns has had on policy discussions and initiatives related to the threat posed by the dual use of synthetic biology.
McCain said he had "excellent relations" with Latino voters in his state but acknowledged the unknown outcome of Latinos who could register to vote against Trump.
He acknowledged previously unknown strains on his family that accompanied his elevation to governor, especially on his teenage son, who has hated almost every minute of his father's tenure.
Grappling with a mixture of shame and desire, she is forced to acknowledge an unknown self, one "that invites confusion, flux, unexplored territories".
We acknowledge that unknown confounders might have influenced the associations observed for both digoxin and angina drugs.
While this general phenomenon is acknowledged, what remains unknown is how technical debt specifically manifests in and affects software processes, and how the software development techniques employed accommodate or mitigate the presence of this debt.
Although most studies controlled for many confounding variables such as age, sex and latitude, it must be acknowledged that other, unknown confounders could be responsible for the effect observed.
"I can see the influence of his work in so many collections, and yet it is not often acknowledged and still seems unknown to many".
In announcing their findings, the scientists, Dr. David Rizzo of the University of California at Davis and Dr. Matteo Garbelotto of the University of California at Berkeley, acknowledged that much is unknown about sudden oak death disease, leaving many people guessing about the significance of its spread.
