No, only INGSOC has the power to do that. ;)
Just kidding.
To answer your question, we accept 2 + 2 = 4 because we've arbitrarily defined "2 + 2" to mean the identical thing as "4". In other words, there is no difference between saying the phrase, "2 plus 2" and by saying, "4".
2 + 2 could...