Quasifield
In mathematics, a quasifield is an algebraic structure where and are binary operations on , much like a division ring, but with some weaker conditions. All division rings, and thus all fields, are quasifields.
In mathematics, a quasifield is an algebraic structure  where 
 and 
 are binary operations on 
, much like a division ring, but with some weaker conditions. All division rings, and thus all fields, are quasifields.