Is that a fact?
事実、彼はその会議に出席していなかった。
In fact, he did not attend the meeting.
He finally admitted the fact.
This movie is based on facts.
As a result of the investigation, a new fact came to light.
The company had been hiding an unfavorable fact.
事実 means a verified fact or truth, the opposite of デマ, which is a false or misleading claim.
事実 is something known to be actually true, whereas 仮定 is only a supposed or hypothetical premise.
事実 means an actual, verified fact, the direct opposite of 捏造, which is something invented and false.
fact-checking
fact-finding; determination of facts