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Extra-logical properties for typing

Author(s): Daniel Cabeza, Manuel Hermenegildo.

Version: 1.10#6 (2004/8/7, 21:46:39 CEST)

Version of last change: 0.7#8 (1998/9/23, 19:21:44 MEST)

This library contains traditional Prolog predicates for testing types. They depend on the state of instantiation of their arguments, thus being of extra-logical nature.

Usage and interface (term_typing)

Documentation on exports (term_typing)

PROPERTY: var/1:

General properties: var(X)

Usage: var(X)

PROPERTY: nonvar/1:

General properties: nonvar(X)

Usage: nonvar(X)

PROPERTY: atom/1:

Usage: atom(X)

PROPERTY: integer/1:

Usage: integer(X)

PROPERTY: float/1:

Usage: float(X)

PROPERTY: number/1:

Usage: number(X)

PROPERTY: atomic/1:

Usage: atomic(X)

PROPERTY: ground/1:

Usage: ground(X)

PROPERTY: type/2:

Usage: type(X, Y)


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