On Tuesday, May 13, 2014 7:19:39 PM UTC+1, Bart Goddard wrote: > Paul <email@example.com> wrote in > > news:firstname.lastname@example.org: > > > > > This looks incomplete (or wrong) to me. Positivity is not mentioned in > > > the hypotheses, and I don't think FLT prevents an equality of the form > > > x ^ 3 - y ^ 3 = z ^ 3. > > > > Move all negative fractions to the other side of the equal sign, > > and you'll have an equivalent problem with no negative numbers.
Yes, indeed. Quasi's solution appears complete. I stand corrected.