# Metadata Source URL:: https://en.wikipedia.org/wiki/Recursive_definition Topics:: #mathematic, #programming --- # Recursive definition - Wikipedia ## Highlights > [!quote]+ Updated on 181022_085257 > > In mathematics and computer science, a recursive definition, or inductive definition, is used to define the elements in a set in terms of other elements in the set (Aczel 1977:740ff). Some examples of recursively-definable objects include factorials, natural numbers, Fibonacci numbers, and the Cantor ternary set.