You could also simply transform everything into “mu”.
But that isn’t bijective. You can’t recover the original structure.
He didn’t ask for it being bijective.
Well. I kind assume that the set of answers he intended with his question didn’t contain your answer either ;-)
Answering the question that’s asked instead of giving the answer that someone seeks can increase the clarity about the nature of the question that’s asked.
Granted.
You could also simply transform everything into “mu”.
But that isn’t bijective. You can’t recover the original structure.
He didn’t ask for it being bijective.
Well. I kind assume that the set of answers he intended with his question didn’t contain your answer either ;-)
Answering the question that’s asked instead of giving the answer that someone seeks can increase the clarity about the nature of the question that’s asked.
Granted.