Definition:Opposite Ring

Definition
Let $\struct {R, +, \times}$ be a ring.

Let $* : R \times R \to R$ be the binary operation on $S$ defined by:
 * $\forall x, y \in S: x * y = y \times x$.

The opposite ring of $R$ is the algebraic structure $\struct {R, +, *}$.

Also see

 * Opposite Ring is Ring
 * Opposite Ring of Opposite Ring
 * Ring is Commutative iff Opposite Ring is Itself
 * Definition:Ring Antihomomorphism