Full Idea
A finite set of finitely specifiable objects is always effectively enumerable (for example, the prime numbers).
Gist of Idea
A finite set of finitely specifiable objects is always effectively enumerable (e.g. primes)
Source
Peter Smith (Intro to Gödel's Theorems [2007], 02.4)
Book Reference
Smith,Peter: 'An Introduction to Gödel's Theorems' [CUP 2007], p.16