modal_logic (HyperDic hyper-dictionary)

English > 2 senses of the expression *modal logic*:
NOUN	cognition	modal logic	the logical study of necessity and possibility
NOUN	cognition	modal logic	a system of logic whose formal properties resemble certain moral and epistemological concepts

English > *modal logic*: 2 senses > noun 1, cognition
Meaning	The logical study of necessity and possibility.
Broader	logic	The branch of philosophy that analyzes inference

English > *modal logic*: 2 senses > noun 2, cognition
Meaning	A system of logic whose formal properties resemble certain moral and epistemological concepts.
Narrower	alethic logic	The modal logic of necessity and possibility and contingency
	deontic logic	The modal logic of obligation and permissibility
	doxastic logic	The modal logic of belief and disbelief
	epistemic logic	The modal logic of knowledge and uncertainty and ignorance
Broader	symbolic logic, mathematical logic, formal logic	Any logical system that abstracts the form / form of statements away from their content in order to establish abstract criteria of consistency and validity

HyperDic: modal_logic