Modal logic

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

Field Hierarchy

Parent
Chemistry 28.4M papers	Materials science 18.2M papers	Composite material 8.6M papers	Polymer chemistry 1.1M papers
Modal 95.4k papers
Current
Modal logic 6,004 papers
Child
Normal modal logic 2,651 papers	Epistemic modal logic 2,061 papers	Accessibility relation 1,794 papers	Kripke semantics 1,255 papers
Modal operator 1,084 papers	Common knowledge (logic) 694 papers	S5 687 papers	Modal μ-calculus 642 papers

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History