PLOGHELP LENGTH                               Chris Mellish, August 1982
                                Revised by Kathryn Seifert  October 1986

Predicate which finds the length of a given list

    ?- length(List, Length).

Keywords: list length, list


Length is the length of List. List must be instantiated to a list of
determinate length.

-- RELATED DOCUMENTATION ----------------------------------------------

PLOGHELP * PREDICATES
 Overview of Prolog built in predicates
