Left and right (algebra)

In algebra, the terms left and right denote the order of a binary operation (usually, but not always called "multiplication") in non-commutative algebraic structures. A binary operation ∗ is usually written in the infix form:

The argument $s$ is placed on the left side, and the argument $t$ is on the right side. Even if the symbol of the operation is omitted, the order of $s$ and $t$ does matter unless ∗ is commutative.

单词	Right multiplication
释义	Right multiplication 英语百科 Left and right (algebra) In algebra, the terms left and right denote the order of a binary operation (usually, but not always called "multiplication") in non-commutative algebraic structures. A binary operation ∗ is usually written in the infix form: The argument $s$ is placed on the left side, and the argument $t$ is on the right side. Even if the symbol of the operation is omitted, the order of $s$ and $t$ does matter unless ∗ is commutative.
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Right multiplication

Left and right (algebra)