사실이

사실이

"사실이" means "fact is" or "(the) truth is."

Here, '사실이' refers to 'the fact' and is used with a negation to express that something is not a fact.

사실이 아닙니다.

It is not true.

In this sentence, '사실이' refers to a condition being true, leading to a hypothetical consequence.

그것이 사실이라면 문제일 것입니다.

If that is true, it will be a problem.

Here, '사실이' is part of a conditional statement, discussing truth in a scenario.

사실이 그렇다 해도, 우리 계획은 변하지 않을 것이다.

Even if that is true, our plan will not change.