Explicit Function Definitions
f(x0, ..., xn-1) := T
- Introduction of new n-ary function constant f
(definiendum).
- f must not occur within term T (definiens).
- Free variables of T must be among x0, ...,
xn-1.
- New axiom
forall x0, ..., xn-1: f(x0, ..., xn-1) = T
New function is uniquely characterized.
Author: Wolfgang Schreiner
Last Modification: October 14, 1999