prealgebra

Etymology
.

Noun

 * 1)  A school (in the US, middle school) course that introduces students to concepts needed to learn algebra.
 * 2) * 2000,, Making Pre-Algebra Come Alive, (Corwin Press), page 1,
 * In most secondary school curricula, pre-algebra is the last course in which specific attention is paid to multiplication, division, squares, cubes, and primes. Thereafter, these skills and operations are pretty much taken for granted.
 * 1)  A particular form of Lie algebra; also applied analogously to other types of algebra.
 * 2) * 1985, Robert C. Flagg, Church's Thesis is Consistent with Epistemic Arithmetic, Stewart Shapiro (editor), Intensional Mathematics, Elsevier Science Publishers, page 131,
 * Conversely, if H is a complete preorder which satisfies the $$\land, \lor$$-distributive law, then, by the Adjoint Functor Theorem, H is a Heyting prealgebra.
 * 1) * 2006, Oswald Wyler, Algebraic Theories of Continuous Lattices, Bernhard Banaschewski, Rudolf-Eberhard Hoffmann (editors), Continuous Lattices, Springer, 871, page 398,
 * Let $$\mathsf f: (\mathsf A, \alpha) \rightarrow (\mathsf B, \beta)$$ be a morphism of prealgebras.
 * 1) * 2006, Oswald Wyler, Algebraic Theories of Continuous Lattices, Bernhard Banaschewski, Rudolf-Eberhard Hoffmann (editors), Continuous Lattices, Springer, 871, page 398,
 * Let $$\mathsf f: (\mathsf A, \alpha) \rightarrow (\mathsf B, \beta)$$ be a morphism of prealgebras.