Sentence examples for certainty has been achieved from inspiring English sources

Thus, the systematic investigation of ethics can begin only after certainty has been achieved in these prior theoretical disciplines.

Neither has been achieved.

So what has been achieved?

"So little has been achieved".

A lot has been achieved.

This has been achieved.

Much has been achieved.

That has been achieved.

So much has been achieved.

What has been achieved?

No result in any elite sport can be trusted with reasonable certainty to have been achieved without performance-enhancing drugs, a number of American scientists say.