Sure, score = 2^walls iff log_2(score) = walls. So, being equivalent statements, one alone can not be correct. However, as you said, one choice of describing t

Sure, score = 2^walls iff log_2(score) = walls. So, being equivalent statements, one alone can not be correct. However, as you said, one choice of describing the relationship is certainly more natural. The exponential description assigns a score to every natural number. While the logarithmic description does not. I would interpret correct in the way that it is sometimes said, "the correct way to think about X is..." which doesn't say other ways of thinking are wrong, but limited or not illuminating.