In other words, a claim that is true now, might be false later on. People don't stay in one place like cities do. Utter these words every four months. One of those times the claim will be true, the other three, it will be false. True or False a.
Every claim is either true or false.
It doesn't matter if you agree with a claim and it doesn't matter if you know whether it's true or false. It also doesn't matter if other people disagree about the claim. A claim is true when it corresponds with reality. We can make claims that are true about justice. It isn't always easy to see whether the claim is true or false.