The phrase "acknowledged to exist" is correct and usable in written English.
It can be used in contexts where you want to indicate that something is recognized or accepted as being real or present.
Example: "The phenomenon of climate change is acknowledged to exist by the majority of scientists worldwide."
Alternatives: "recognized as existing" or "accepted to be real".
Other countries and cultures are acknowledged to exist, but children are not encouraged enough to reflect on how the same facts may mean different things to different people.
Some supporters of brothels, like Ms. Taylor, say they hope the debate will give them a chance to push to make prostitution legal in large counties in the state, where it is currently banned but widely acknowledged to exist.
American military leaders slip quietly in and out of the capital; the Pentagon uses networks of private spies; and the main tool of American policy here, the drone program, is not even publicly acknowledged to exist.
For exclusive monotheism only one god exists; other gods either simply do not exist at all or, at most, are false gods or demons i.e., beings that are acknowledged to exist but that cannot be compared in power or any other way with the one and only true God.
Dodgson's appetite could at least still be acknowledged to exist, if only in some unreal, free-floating form — like the Cheshire Cat. Dodgson's conviction of his own essential rectitude also allowed him to see his subjects as something more than a reflection of his obsessions.
Rather than denying an external world, external objects are acknowledged to exist as long as internal minds are counterposed with them.
Although the MSIS criteria were not specifically designed to rule out PJI and PJI is acknowledged to potentially exist without meeting the MSIS criteria, those patients not meeting the MSIS criteria for PJI were, by default, classified as aseptic.
In Sharm el Sheik, Egypt, on Tuesday, Mr. Bush had to push hard to win a strong Arab commitment to cut off financing to terrorist groups, and even then could not get them to speed up the recognition of Israel or acknowledge its right to exist as "a vibrant Jewish state," the words Mr. Bush used today.
Well, here you have someone who not only doesn't want you, but doesn't even acknowledge your right to exist, who wants your destruction.
And yet, we're not even prepared to bring the subject of Iran's acknowledging Israel's right to exist to the table because we already know what Iran's answer will be.
They did not, in fact, acknowledge Israel's right to exist at all.
