Definition of Modal logic

1. Noun. The logical study of necessity and possibility.

Generic synonyms: Logic

2. Noun. A system of logic whose formal properties resemble certain moral and epistemological concepts.

Definition of Modal logic

1. Noun. (logic) Any formal system that attempts to deal with modalities, such as possibility and necessity, but also obligation and permission. ¹

¹ Source: wiktionary.com

Lexicographical Neighbors of Modal Logic

mod.F.
mod con
mod cons
mod man
mod men
modacrylic
modacrylics
modafinil
modal
modal(a)
modal alteration
modal auxiliaries
modal auxiliary
modal case
modal cases
modal logic (current term)
modal scale
modal stacking
modal value
modal verb
modal verbs
modalise
modalised
modalises
modalising
modalism
modalisms
modalist
modalists
modalities

Literary usage of Modal logic

Below you will find example usage of this term as found in modern and/or classical literature:

1. Geometric Computing Science: First Steps by Robert Hermann (1991)
"The latter subject - technically a branch of modal logic - originated as a method of thinking about the sort of reasoning that goes on in checking the ..."

2. A New Logic by Charles Arthur Mercier (1912)
"By admitting that form of Modal that it does not recognise to be Modal, Logic exhibits a blindness that may be paralleled within its own limits, ..."

3. Text Retrieval Conference, 4th edited by D. K. Harman (1998)
"Semantical considerations on modal logic. In L. Lin- sky, editor, Reference and modality, ... An Information Retrieval model based on modal logic. ..."

4. The Civilization of Illiteracy by Mihai Nadin (1997)
"Among the logics that can be used are classical propositional logic, intuitionistic propositional logic, modal logic, temporal logic, and others. ..."

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