(philosophy) The criteria for the persistence of persons over time (i.e what makes one the same person as one was yesterday, or ten years ago), and the criteria for the individuation of persons from others.

Alternative form of vehicle identification number

plural of Vehicle Identification Number

Any fish of the species Zanclus cornutus, a colorful marine tropical fish often kept in aquaria.

Synonym of artificial stupidity

plural of ideal number

(number theory) An algebraic integer that represents an ideal in the ring of integers of a number field.

(algebra, ring theory) Any (two-sided) ideal I such that for arbitrary ideals P and Q, PQ⊆I⟹P⊆I or Q⊆I.

(algebra, ring theory) Given an integral domain R and its field of fractions K = Frac(R), an R-submodule I of K such that for some nonzero r∈R, rI ⊆ R.

(algebra, ring theory) For given ring R, any ideal I such that Q = R / I, the set of cosets of elements of I in R, is a ring (the quotient ring of I in R).