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#RealLife non-math example that illustrates why function composition is not commutative. #MTBoS #ITeachMath

27,011 görüntüleme • 3 yıl önce •via X (Twitter)

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Dan Schroeder profil fotoğrafı
Dan Schroeder3 yıl önce

@a_freeparticle When I was in grad school one of my housemates (a math student) was once sitting at the dinner table when he lifted the bottle of salad dressing, paused, and said: "The operations of shaking the bottle and removing the cap do not commute."

Muhammad Fahad profil fotoğrafı
Muhammad Fahad3 yıl önce

Nice 👍

Tim Brzezinski profil fotoğrafı
Tim Brzezinski3 yıl önce

Thank you! 🙂

EmacsTheViking profil fotoğrafı
EmacsTheViking3 yıl önce

Finally I get why a monad is not a burrito!!! It's because all this time it was actually a laundrette, and the identity function is putting dry, dirty clothes into the dryer. No wonder I didn't get Haskell sooner. Thanks for this.

chrïs profil fotoğrafı
chrïs3 yıl önce

depends on the property for example, if the property is colour then the output is invariant to composition.

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