This is when I come in with my religious reference to your yes being your yes and you're no being your no.
No matter how many times you beat someone with a stick two plus two still equals four, now if you've beaten that person so many times that they're afraid to say the truth and then you call the answer that they do say the new truth that is enforceable with beatings that still doesn't make it the truth that makes it behavioral modification with negative reinforcement