Enumeratio unius est exclusio alterius
Defined in 2 dictionaries — Ballentine's (1916), Black's (1910)
Ballentine's Law Dictionary
James A. Ballentine · 1916
The enumeration of one amounts to the exclusion of the other.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
The specification of one thing ls the exclusion of a different thing. A maxim more generally expressed in the form "expressio unius est exclusio alterius," (q. v.)