This paper mainly discuss some property of ring which fit into anti-commutative law, and arrive at a conclusion that anti-commutative law is commutable.

本文主要讨论了适合反交换律的环的一些性质，并得出反交换环一定是交换环。

youdao

Heisenberg had not proceeded very far with this idea before he noticed that it would lead to his physical quantities not satisfying the commutative law of multiplication.

在意识到矩阵表示将导致物理量不满足乘法交换律之前，海森堡并没有前进太远。

youdao

We then can verify the associative law and the commutative law for multiplication, and the uniqueness of the result of addition indicates the uniqueness and the cancellation law for multiplication.

我们容易验证乘法满足结合律和交换律，并且由加法结果的唯一性得出乘法结果的唯一性和乘法消去律。

youdao

You say this is a commutative law.

这就是交换律

耶鲁公开课 - 基础物理课程节选

But the law of composition is not always commutative.

但是两两结合的运算并不总是可交换的

耶鲁公开课 - 基础物理课程节选

Know the commutative law and all the prepositions.

FORBES: How Do You Study To Get An 'A' In A Difficult Class?