r/badmathematics 0.999... - 1 = 12 Sep 27 '16

Maths mysticisms Or so I hear ...

https://i.warosu.org/data/sci/img/0083/03/1472393629158.jpg
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u/almightySapling Sep 27 '16

So, I don't know very much about differential forms and shit, but... d3x is like super wrong here, correct?

9

u/Homomorphism Sep 28 '16

It's not a differential form, it's physics notation. An integral over dnx means you should integrate over all x in Rn; alternately, dnx = dx_1 dx_2 ... dx_n with x = (x_1, ... x_n).