.. index:: fcube .. _fcube/0:

.. rst-class:: right

object

fcube

FCube: An Efficient Prover for Intuitionistic Propositional Logic.

| Availability: | logtalk_load(fcube(loader))

| Author: Mauro Ferrari, Camillo Fiorentini, Guido Fiorino; ported to Logtalk by Paulo Moura. | Version: 5:0:1 | Date: 2024-03-14

| Copyright: Copyright 2012 Mauro Ferrari, Camillo Fiorentini, Guido Fiorino; Copyright 2020-2024 Paulo Moura | License: GPL-2.0-or-later

| Compilation flags: | static, context_switching_calls

| Uses: | :ref:`integer <integer/0>` | :ref:`list <list/0>` | :ref:`os <os/0>` | :ref:`set <set/0>` | :ref:`user <user/0>`

| Remarks: | (none)

| Inherited public predicates: | (none)

.. contents:: :local: :backlinks: top

Public predicates

.. index:: gnu/0 .. _fcube/0::gnu/0:

gnu/0 ^^^^^^^^^

Prints banner with copyright and license information.

| Compilation flags: | static

| Mode and number of proofs: | gnu - one

---

.. index:: fcube/0 .. _fcube/0::fcube/0:

fcube/0 ^^^^^^^^^^^

Reads a formula and applies the prover to it, printing its counter-model.

| Compilation flags: | static

| Mode and number of proofs: | fcube - one

---

.. index:: decide/1 .. _fcube/0::decide/1:

decide/1 ^^^^^^^^^^^^

Applies the prover to the given formula and prints its counter-model.

| Compilation flags: | static

| Template: | decide(Formula) | Mode and number of proofs: | decide(++compound) - one

---

.. index:: decide/2 .. _fcube/0::decide/2:

decide/2 ^^^^^^^^^^^^

Applies the prover to the given formula and returns its counter-model.

| Compilation flags: | static

| Template: | decide(Formula,CounterModel) | Mode and number of proofs: | decide(++compound,--compound) - one

---

Protected predicates

(no local declarations; see entity ancestors if any)

Private predicates

(no local declarations; see entity ancestors if any)

Operators

op(1200,xfy,<=>) ^^^^^^^^^^^^^^^^^^^^

| Scope: | public

op(1110,xfy,=>) ^^^^^^^^^^^^^^^^^^^

| Scope: | public

op(1000,xfy,&&) ^^^^^^^^^^^^^^^^^^^

| Scope: | public

op(500,fy,~) ^^^^^^^^^^^^^^^^

| Scope: | public

op(1100,xfy,v) ^^^^^^^^^^^^^^^^^^

| Scope: | public