discuss the nature of logical connectives or constants
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In logic, a logical constant of a language {\displaystyle {\mathcal {L}}} {\mathcal {L}} is a symbol that has the same semantic value under every interpretation of {\displaystyle {\mathcal {L}}} {\mathcal {L}}. Two important types of logical constants are logical connectives and quantifiers. The equality predicate (usually written '=') is also treated as a logical constant in many systems of logic.
One of the fundamental questions in the philosophy of logic is "What is a logical constant?"; that is, what special feature of certain constants makes them logical in nature?[1][full citation needed]
Some symbols that are commonly treated as logical constants are:
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