Definition
See also: Model theory#Universal algebra and Universal algebra#Basic ideaFormally, a structure can be defined as a triple consisting of a domain A, a signature σ, and an interpretation function I that indicates how the signature is to be interpreted on the domain. To indicate that a structure has a particular signature σ one can refer to it as a σ-structure.
Read more about this topic: Structure (mathematical Logic)
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—Ralph Waldo Emerson (1803–1882)
“One definition of man is “an intelligence served by organs.””
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—Nadine Gordimer (b. 1923)