Yet, Microsoft's persistence and staying power are an established fact.

That is an established fact, and has its characteristic worth.

Otherwise, he said, "It could give the wrong impression that this was an established fact."

This is not a controversial claim but an established fact, based on more than 20 years of solid science.

There are very few other established facts about exactly what happened over the course of the next seven hours.

It was now an established fact that the French were packing up to leave.

To accept a probability as an established fact is wrong.

The previous division into two provinces was allowed to stand as an established fact.

The report concluded that the cause of the accident could not be determined clearly from the established facts.

It's an established fact that he did that in his previous line of work.