Umbrella term for all logical elements which, on the basis of their semantic clarity and invariable meaning and function, determine the logical structure of propositional connections. Logical connectives, operators, and quantifiers are all types of...

In symbolic logic, a logical constant is a symbol that has the same semantic value in all models. Two important types of logical constants are logical connectives and quantifiers. The equality predicate (usually written '=') is also treated as a logical...