Modal logic

https://www.wikidata.org/wiki/Q210841

Field Hierarchy

Parent
Chemistry 28.9M papers	Materials science 18.5M papers	Composite material 8.7M papers	Polymer chemistry 1.1M papers
Modal 96.5k papers
Current
Modal logic 6,505 papers
Child
Normal modal logic 3,270 papers	Accessibility relation 2,212 papers	Epistemic modal logic 2,199 papers	Kripke semantics 1,288 papers
Modal operator 1,129 papers	Modal μ-calculus 766 papers	Common knowledge (logic) 739 papers	S5 737 papers

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History