category

# `proto_hierarchy`

Prototype hierarchy predicates.

Author: Paulo Moura
Version: 1:1:0
Date: 2006-02-20
Compilation flags:
`static`
Implements:
`public` proto_hierarchyp
Remarks:
(none)
Inherited public predicates:
ancestor/1 ancestors/1 descendant/1 descendants/1 extension/1 extensions/1 leaf/1 leaves/1 parent/1 parents/1

## Public predicates

(no local declarations; see entity ancestors if any)

## Protected predicates

(no local declarations; see entity ancestors if any)

## Private predicates

(no local declarations; see entity ancestors if any)

## Operators

(none)