Quasi-variety
From Encyclopedia of Mathematics
The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.
See Algebraic systems, quasi-variety of.
Comments
As noted in (the editorial comments to) Algebraic systems, quasi-variety of, the quasi-identities (cf. Quasi-identity) defining a quasi-variety are usually called Horn sentences. Correspondingly, a quasi-variety is also known as a universal Horn class; it is also called a quasi-primitive class.
References
[a1] | P.M. Cohn, "Universal algebra" , Reidel (1981) pp. 235 |
How to Cite This Entry:
Quasi-variety. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Quasi-variety&oldid=16055
Quasi-variety. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Quasi-variety&oldid=16055