Eliminate​(AngouriMath.​Entity.​Matrix,​System.​Boolean)

GenericTensor's elimination asked whether a pivot was the literal 0, and an entry the elimination had
itself made, like c + -c / a * a, is 0 without being written so: it was chosen and divided by, and
the reduced form of [[a, b], [c, d]] simplified to NaN and the rank of [[a, b], [2 a, 2 b]] was 2. Each entry the elimination makes is normalised, a rational function over the rationals to its
canonical quotient (RationalFunction), where being 0 is being the literal 0, and
the third row of [[a, b, c], [d, e, f], [a + d, b + e, c + f]] is 0 as it should be; anything
else is simplified when it is asked whether it is 0.
https://github.com/asc-community/AngouriMath/issues/2345