Modal logic
label: Modallogik @sv
label: Lógica modal @es
label: 양상 논리 @ko
label: Lògica modal @ca
label: Modala logiko @eo
label: Модальная логика @ru
label: Modální logika @cs
label: Модальна логіка @uk
label: 模态逻辑 @zh
label: Loighic mhódach @ga
label: منطق موجهات @ar
label: Logique modale @fr
label: 様相論理 @ja
label: Modale logica @nl
label: Logika modalna @pl
label: Logica modale @it
description: 非古典逻辑的一个分支，研究“必然”“可能”及其相关概念的逻辑性质和涉及这些情态概念的推理 @zh
description: formala logiko kapabla esprimi ecojn kiel necesecon, eblecon, pruveblecon, devigon, scion ktp @eo
description: Art von logischem System @de
description: Några begrepp tillagd @sv
description: formal logic able to express concepts such as necessity, possibility, provability, obligation, knowledge etc.
description: tipo di sistema logico @it
description: 형식 논리의 유형 @ko
description: type de système logique @fr
description: Posibilitatea eta beharraren kontzeptuak kontuan hartzen dituen logika. Logika modalak 'litekeena da bihar euria egitea' edo 'beharrezkoa da bihar euria egitea' moduko esakuneak erabiltzen ditu. @eu
description: estudo rigoroso de estruturas lógicas que representam modalidades diversas @pt
subject: Category:Philosophical logic
subject: Category:Modal logic
subject: Category:Semantics
subject: Category:Logic
subject: Category:Mathematical logic
date: November 2016
reason: Add a wikilink, give a longer name, or give a reference for the 'T' logic.