# -*- coding: utf-8 -*-
# pytableaux, a multi-logic proof generator.
# Copyright (C) 2014-2023 Doug Owings.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from __future__ import annotations
from ..tools import group
from . import LogicType
from . import fde as FDE
from . import k3 as K3
from . import kl3 as KL3
from . import l3 as L3
from . import s4l3 as S4L3
from . import s5 as S5
from . import s5fde as S5FDE
class Meta(KL3.Meta):
name = 'S5L3'
title = 'L3 with S5 modal'
description = 'Modal version of L3 based on S5 normal modal logic'
category_order = 20
extension_of = ('S4L3')
class Model(S5FDE.Model, L3.Model): pass
class System(FDE.System): pass
[docs]
class Rules(LogicType.Rules):
closure = K3.Rules.closure
groups = (
*S4L3.Rules.groups,
group(S5.Rules.Symmetric))