My question is a direct continuation of my already posted question https://hsm.stackexchange.com/questions/6772/did-gausss-expression-for-the-differential-of-the-hyperbolic-volume-of-the-tetr (asked on “history of science and mathematics” stackexchange). I simply didn’t find any sources that say that Gauss’s result was a nonesense; in his commentary on Gauss’s relevant note, Stackel doesn’t say Gauss was mistaken (apart from a factor of $ 1/2$ thatRead more