https://mathforlove.com/2020/05/a-meditation-on-commutativity-of-multiplication/ Transforming how math is taught and learned. Thu, 21 May 2020 00:42:08 +0000 hourly 1 https://wordpress.org/?v=6.9 https://mathforlove.com/2020/05/a-meditation-on-commutativity-of-multiplication/#comment-31610 Thu, 21 May 2020 00:42:08 +0000 https://mathforlove1.wpenginepowered.com/?p=12446#comment-31610 It’s definitely not obvious! I remember being confused about it when I learned about the commutivity property in algebra. Then it was confusing again when I studied quantum mechanics where certain operators do not commute. In both cases these rules are just stated as facts. I agree that we should encourage the questioning of these rules.

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