olemus
korpuse K laiendi L element a, mille korral f(a)=0, kus
f on ühe muutuja polünoom, mille kordajad on korpuse K elemendid
= element a of extension L of field K, if if there exists some non-zero polynomial f(x) with coefficients in K such that f(a) = 0

ülevaateid
https://mathworld.wolfram.com/AlgebraicElement.html
https://en.wikipedia.org/wiki/Algebraic_element
https://www.math3ma.com/blog/algebraic-elements-are-like-limit-points