it is known
Examples
Freedom granted only when it is known beforehand that its effects will be beneficial is not freedom.
Of course, relative citation frequencies are no measure of relative importance. Who has not aspired to write a paper so fundamental that very soon it is known to everyone and cited by no one?
The knowledge of anything, since all things have causes, is not acquired or complete unless it is known by its causes.
Civilization as it is known today could not have evolved, nor can it survive, without an adequate food supply.
The universe is asymmetric and I am persuaded that life, as it is known to us, is a direct result of the asymmetry of the universe or of its indirect consequences. The universe is asymmetric.
It is not a secret if it is known by three people.