Quote:Not saying you're wrong.  But there is still a problem.  Based on your perspective, width, height, and length are interchangeable.  In other words you could measure every dimension by holding a tape measure from your left hand to your right hand if you change your perspective.  How can you verify you are measuring a different dimension every time?

No, the problem is your wall doesn't change so it's not interchangeable...your livingroom wall can't be interchanged with your bathroom wall because the dimesions are not the same...The height, width, and length remain constant...Your livingroom wall doesn't suddenly go from 18 feet(L) by 21 feet(W)  by 8feet(H)  to  6 feet (L) 36 feet (W) to 4 feet (H)

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