File talk:Dimension levels.svg

w base is not linearly independent from the other 3 thus not a 4th base vector 88.132.143.78 (talk) 09:53, 29 August 2012 (UTC)

It is in 4 dimensions. (Just as z does not appear to be independent of x and y in the 2-dimensional image, but it is in 3 [and 4] dimensions.) - dcljr (talk) 06:10, 5 February 2022 (UTC)