In the branch of mathematical logic called model theory, an elementary class (or axiomatizable class) is a class consisting of all structures satisfying a fixed first-order theory.
Read more about Elementary Class: Definition, Conflicting and Alternative Terminology, Easy Relations Between The Notions
Famous quotes containing the words elementary and/or class:
“Listen. We converse as we live—by repeating, by combining and recombining a few elements over and over again just as nature does when of elementary particles it builds a world.”
—William Gass (b. 1924)
“He has more to impart than to receive from his generation. He is another such a strong and finished workman in his craft as Samuel Johnson was, and, like him, makes the literary class respectable.”
—Henry David Thoreau (1817–1862)