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Published online by Cambridge University Press: 15 September 2014
If we take the set of equations
the eliminant of which is
and from the 1st, 2nd, and 3rd eliminate xyw and xyz, from the 2nd, 3rd, and 4th eliminate xyz and yzw, from the 3rd, 4th, and 1st eliminate yzw and xzw, and from the 4th, 1st, and 2nd eliminate xzw and xyw, we obtain the set
the eliminant of which is clearly
page 326 note * Trans. Roy. Soc. Edin., xxx. pp. 1–4.