Why is it called commutative property?












6














I can see why distributive is called distributive (distribute whatever you are multiplying to everything within the brackets).



Associative because when the same associative operator appear in a row, you can change around the numbers.



But why is the commutative property called commutative?










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  • I've always wondered this, but apparently never enough to ask! +1
    – Matt Samuel
    Dec 19 at 2:48






  • 2




    I think of it like a commuter train. They move around or switch places. Well, not when I was in elementary school when I was expected to know those terms, as I didn't even know the word commuter, but later in high school I did, when no one cared about those properties anymore, lol.
    – Octopus
    Dec 19 at 5:24






  • 1




    As often, the best source for this kind of questions is Earliest Known Uses of Some of the Words of Mathematics : see COMMUTATIVE and DISTRIBUTIVE.
    – Mauro ALLEGRANZA
    Dec 19 at 16:01










  • @Octopus lol I never cared until it kept reoccuring when studying math in university (algebra, fields, subspaces etc.)
    – Jay Patel
    Dec 19 at 18:28
















6














I can see why distributive is called distributive (distribute whatever you are multiplying to everything within the brackets).



Associative because when the same associative operator appear in a row, you can change around the numbers.



But why is the commutative property called commutative?










share|cite|improve this question
























  • I've always wondered this, but apparently never enough to ask! +1
    – Matt Samuel
    Dec 19 at 2:48






  • 2




    I think of it like a commuter train. They move around or switch places. Well, not when I was in elementary school when I was expected to know those terms, as I didn't even know the word commuter, but later in high school I did, when no one cared about those properties anymore, lol.
    – Octopus
    Dec 19 at 5:24






  • 1




    As often, the best source for this kind of questions is Earliest Known Uses of Some of the Words of Mathematics : see COMMUTATIVE and DISTRIBUTIVE.
    – Mauro ALLEGRANZA
    Dec 19 at 16:01










  • @Octopus lol I never cared until it kept reoccuring when studying math in university (algebra, fields, subspaces etc.)
    – Jay Patel
    Dec 19 at 18:28














6












6








6


1





I can see why distributive is called distributive (distribute whatever you are multiplying to everything within the brackets).



Associative because when the same associative operator appear in a row, you can change around the numbers.



But why is the commutative property called commutative?










share|cite|improve this question















I can see why distributive is called distributive (distribute whatever you are multiplying to everything within the brackets).



Associative because when the same associative operator appear in a row, you can change around the numbers.



But why is the commutative property called commutative?







terminology definition math-history






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share|cite|improve this question













share|cite|improve this question




share|cite|improve this question








edited Dec 19 at 12:42









J W

1,8101425




1,8101425










asked Dec 19 at 2:42









Jay Patel

656




656












  • I've always wondered this, but apparently never enough to ask! +1
    – Matt Samuel
    Dec 19 at 2:48






  • 2




    I think of it like a commuter train. They move around or switch places. Well, not when I was in elementary school when I was expected to know those terms, as I didn't even know the word commuter, but later in high school I did, when no one cared about those properties anymore, lol.
    – Octopus
    Dec 19 at 5:24






  • 1




    As often, the best source for this kind of questions is Earliest Known Uses of Some of the Words of Mathematics : see COMMUTATIVE and DISTRIBUTIVE.
    – Mauro ALLEGRANZA
    Dec 19 at 16:01










  • @Octopus lol I never cared until it kept reoccuring when studying math in university (algebra, fields, subspaces etc.)
    – Jay Patel
    Dec 19 at 18:28


















  • I've always wondered this, but apparently never enough to ask! +1
    – Matt Samuel
    Dec 19 at 2:48






  • 2




    I think of it like a commuter train. They move around or switch places. Well, not when I was in elementary school when I was expected to know those terms, as I didn't even know the word commuter, but later in high school I did, when no one cared about those properties anymore, lol.
    – Octopus
    Dec 19 at 5:24






  • 1




    As often, the best source for this kind of questions is Earliest Known Uses of Some of the Words of Mathematics : see COMMUTATIVE and DISTRIBUTIVE.
    – Mauro ALLEGRANZA
    Dec 19 at 16:01










  • @Octopus lol I never cared until it kept reoccuring when studying math in university (algebra, fields, subspaces etc.)
    – Jay Patel
    Dec 19 at 18:28
















I've always wondered this, but apparently never enough to ask! +1
– Matt Samuel
Dec 19 at 2:48




I've always wondered this, but apparently never enough to ask! +1
– Matt Samuel
Dec 19 at 2:48




2




2




I think of it like a commuter train. They move around or switch places. Well, not when I was in elementary school when I was expected to know those terms, as I didn't even know the word commuter, but later in high school I did, when no one cared about those properties anymore, lol.
– Octopus
Dec 19 at 5:24




I think of it like a commuter train. They move around or switch places. Well, not when I was in elementary school when I was expected to know those terms, as I didn't even know the word commuter, but later in high school I did, when no one cared about those properties anymore, lol.
– Octopus
Dec 19 at 5:24




1




1




As often, the best source for this kind of questions is Earliest Known Uses of Some of the Words of Mathematics : see COMMUTATIVE and DISTRIBUTIVE.
– Mauro ALLEGRANZA
Dec 19 at 16:01




As often, the best source for this kind of questions is Earliest Known Uses of Some of the Words of Mathematics : see COMMUTATIVE and DISTRIBUTIVE.
– Mauro ALLEGRANZA
Dec 19 at 16:01












@Octopus lol I never cared until it kept reoccuring when studying math in university (algebra, fields, subspaces etc.)
– Jay Patel
Dec 19 at 18:28




@Octopus lol I never cared until it kept reoccuring when studying math in university (algebra, fields, subspaces etc.)
– Jay Patel
Dec 19 at 18:28










3 Answers
3






active

oldest

votes


















18














From the Wikipedia article "Commutative Property", under History and Etymology:




The first recorded use of the term commutative was in a memoir by François Servois in 1814, which used the word commutatives when describing functions that have what is now called the commutative property. The word is a combination of the French word commuter meaning "to substitute or switch" and the suffix -ative meaning "tending to" so the word literally means "tending to substitute or switch." The term then appeared in English in 1838 in Duncan Farquharson Gregory's article entitled "On the real nature of symbolical algebra" published in 1840 in the Transactions of the Royal Society of Edinburgh.







share|cite|improve this answer

















  • 10




    Nice etymology! I'll just add "commutare" from Latin, meaning, "to exchange," from which the French "commuter" is derived.
    – Christopher Marley
    Dec 19 at 2:50



















8














https://www.merriam-webster.com/dictionary/commutative



https://www.merriam-webster.com/dictionary/commutation



Commutative, from commutation, which means exchange, trade, or replacement according to the first 2 definitions. The commutative property says that the order in which the operation is carried out does not matter. You can exchange/trace factors or addends and still arrive at the same product or sum.



https://www.thefreedictionary.com/commutative



Definition one of the adjective form gives "involving substitution, interchange"



So you just switch or commute the two addends or factors and get the same sum or product!






share|cite|improve this answer





















  • I like this a lot since I speak english. (Commutative, communication meaning exchange). The other explanation uses french / latin words.
    – Jay Patel
    Dec 19 at 3:05










  • I see the word in legal context, " a death sentence has been commuted to life imprisonment". Looks like here also it means replacement.
    – P Vanchinathan
    Dec 19 at 3:07



















2














Seems pretty reasonable since commute means to move around or change places, approximately. One of the most basic ways of moving elements around is to switch their order.



I guess another word could have been used. Of course "abelian" is used for groups, after Niels Henrik Abel.






share|cite|improve this answer





















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    3 Answers
    3






    active

    oldest

    votes








    3 Answers
    3






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes









    18














    From the Wikipedia article "Commutative Property", under History and Etymology:




    The first recorded use of the term commutative was in a memoir by François Servois in 1814, which used the word commutatives when describing functions that have what is now called the commutative property. The word is a combination of the French word commuter meaning "to substitute or switch" and the suffix -ative meaning "tending to" so the word literally means "tending to substitute or switch." The term then appeared in English in 1838 in Duncan Farquharson Gregory's article entitled "On the real nature of symbolical algebra" published in 1840 in the Transactions of the Royal Society of Edinburgh.







    share|cite|improve this answer

















    • 10




      Nice etymology! I'll just add "commutare" from Latin, meaning, "to exchange," from which the French "commuter" is derived.
      – Christopher Marley
      Dec 19 at 2:50
















    18














    From the Wikipedia article "Commutative Property", under History and Etymology:




    The first recorded use of the term commutative was in a memoir by François Servois in 1814, which used the word commutatives when describing functions that have what is now called the commutative property. The word is a combination of the French word commuter meaning "to substitute or switch" and the suffix -ative meaning "tending to" so the word literally means "tending to substitute or switch." The term then appeared in English in 1838 in Duncan Farquharson Gregory's article entitled "On the real nature of symbolical algebra" published in 1840 in the Transactions of the Royal Society of Edinburgh.







    share|cite|improve this answer

















    • 10




      Nice etymology! I'll just add "commutare" from Latin, meaning, "to exchange," from which the French "commuter" is derived.
      – Christopher Marley
      Dec 19 at 2:50














    18












    18








    18






    From the Wikipedia article "Commutative Property", under History and Etymology:




    The first recorded use of the term commutative was in a memoir by François Servois in 1814, which used the word commutatives when describing functions that have what is now called the commutative property. The word is a combination of the French word commuter meaning "to substitute or switch" and the suffix -ative meaning "tending to" so the word literally means "tending to substitute or switch." The term then appeared in English in 1838 in Duncan Farquharson Gregory's article entitled "On the real nature of symbolical algebra" published in 1840 in the Transactions of the Royal Society of Edinburgh.







    share|cite|improve this answer












    From the Wikipedia article "Commutative Property", under History and Etymology:




    The first recorded use of the term commutative was in a memoir by François Servois in 1814, which used the word commutatives when describing functions that have what is now called the commutative property. The word is a combination of the French word commuter meaning "to substitute or switch" and the suffix -ative meaning "tending to" so the word literally means "tending to substitute or switch." The term then appeared in English in 1838 in Duncan Farquharson Gregory's article entitled "On the real nature of symbolical algebra" published in 1840 in the Transactions of the Royal Society of Edinburgh.








    share|cite|improve this answer












    share|cite|improve this answer



    share|cite|improve this answer










    answered Dec 19 at 2:44









    Dane

    3,1501634




    3,1501634








    • 10




      Nice etymology! I'll just add "commutare" from Latin, meaning, "to exchange," from which the French "commuter" is derived.
      – Christopher Marley
      Dec 19 at 2:50














    • 10




      Nice etymology! I'll just add "commutare" from Latin, meaning, "to exchange," from which the French "commuter" is derived.
      – Christopher Marley
      Dec 19 at 2:50








    10




    10




    Nice etymology! I'll just add "commutare" from Latin, meaning, "to exchange," from which the French "commuter" is derived.
    – Christopher Marley
    Dec 19 at 2:50




    Nice etymology! I'll just add "commutare" from Latin, meaning, "to exchange," from which the French "commuter" is derived.
    – Christopher Marley
    Dec 19 at 2:50











    8














    https://www.merriam-webster.com/dictionary/commutative



    https://www.merriam-webster.com/dictionary/commutation



    Commutative, from commutation, which means exchange, trade, or replacement according to the first 2 definitions. The commutative property says that the order in which the operation is carried out does not matter. You can exchange/trace factors or addends and still arrive at the same product or sum.



    https://www.thefreedictionary.com/commutative



    Definition one of the adjective form gives "involving substitution, interchange"



    So you just switch or commute the two addends or factors and get the same sum or product!






    share|cite|improve this answer





















    • I like this a lot since I speak english. (Commutative, communication meaning exchange). The other explanation uses french / latin words.
      – Jay Patel
      Dec 19 at 3:05










    • I see the word in legal context, " a death sentence has been commuted to life imprisonment". Looks like here also it means replacement.
      – P Vanchinathan
      Dec 19 at 3:07
















    8














    https://www.merriam-webster.com/dictionary/commutative



    https://www.merriam-webster.com/dictionary/commutation



    Commutative, from commutation, which means exchange, trade, or replacement according to the first 2 definitions. The commutative property says that the order in which the operation is carried out does not matter. You can exchange/trace factors or addends and still arrive at the same product or sum.



    https://www.thefreedictionary.com/commutative



    Definition one of the adjective form gives "involving substitution, interchange"



    So you just switch or commute the two addends or factors and get the same sum or product!






    share|cite|improve this answer





















    • I like this a lot since I speak english. (Commutative, communication meaning exchange). The other explanation uses french / latin words.
      – Jay Patel
      Dec 19 at 3:05










    • I see the word in legal context, " a death sentence has been commuted to life imprisonment". Looks like here also it means replacement.
      – P Vanchinathan
      Dec 19 at 3:07














    8












    8








    8






    https://www.merriam-webster.com/dictionary/commutative



    https://www.merriam-webster.com/dictionary/commutation



    Commutative, from commutation, which means exchange, trade, or replacement according to the first 2 definitions. The commutative property says that the order in which the operation is carried out does not matter. You can exchange/trace factors or addends and still arrive at the same product or sum.



    https://www.thefreedictionary.com/commutative



    Definition one of the adjective form gives "involving substitution, interchange"



    So you just switch or commute the two addends or factors and get the same sum or product!






    share|cite|improve this answer












    https://www.merriam-webster.com/dictionary/commutative



    https://www.merriam-webster.com/dictionary/commutation



    Commutative, from commutation, which means exchange, trade, or replacement according to the first 2 definitions. The commutative property says that the order in which the operation is carried out does not matter. You can exchange/trace factors or addends and still arrive at the same product or sum.



    https://www.thefreedictionary.com/commutative



    Definition one of the adjective form gives "involving substitution, interchange"



    So you just switch or commute the two addends or factors and get the same sum or product!







    share|cite|improve this answer












    share|cite|improve this answer



    share|cite|improve this answer










    answered Dec 19 at 2:47









    Christopher Marley

    985115




    985115












    • I like this a lot since I speak english. (Commutative, communication meaning exchange). The other explanation uses french / latin words.
      – Jay Patel
      Dec 19 at 3:05










    • I see the word in legal context, " a death sentence has been commuted to life imprisonment". Looks like here also it means replacement.
      – P Vanchinathan
      Dec 19 at 3:07


















    • I like this a lot since I speak english. (Commutative, communication meaning exchange). The other explanation uses french / latin words.
      – Jay Patel
      Dec 19 at 3:05










    • I see the word in legal context, " a death sentence has been commuted to life imprisonment". Looks like here also it means replacement.
      – P Vanchinathan
      Dec 19 at 3:07
















    I like this a lot since I speak english. (Commutative, communication meaning exchange). The other explanation uses french / latin words.
    – Jay Patel
    Dec 19 at 3:05




    I like this a lot since I speak english. (Commutative, communication meaning exchange). The other explanation uses french / latin words.
    – Jay Patel
    Dec 19 at 3:05












    I see the word in legal context, " a death sentence has been commuted to life imprisonment". Looks like here also it means replacement.
    – P Vanchinathan
    Dec 19 at 3:07




    I see the word in legal context, " a death sentence has been commuted to life imprisonment". Looks like here also it means replacement.
    – P Vanchinathan
    Dec 19 at 3:07











    2














    Seems pretty reasonable since commute means to move around or change places, approximately. One of the most basic ways of moving elements around is to switch their order.



    I guess another word could have been used. Of course "abelian" is used for groups, after Niels Henrik Abel.






    share|cite|improve this answer


























      2














      Seems pretty reasonable since commute means to move around or change places, approximately. One of the most basic ways of moving elements around is to switch their order.



      I guess another word could have been used. Of course "abelian" is used for groups, after Niels Henrik Abel.






      share|cite|improve this answer
























        2












        2








        2






        Seems pretty reasonable since commute means to move around or change places, approximately. One of the most basic ways of moving elements around is to switch their order.



        I guess another word could have been used. Of course "abelian" is used for groups, after Niels Henrik Abel.






        share|cite|improve this answer












        Seems pretty reasonable since commute means to move around or change places, approximately. One of the most basic ways of moving elements around is to switch their order.



        I guess another word could have been used. Of course "abelian" is used for groups, after Niels Henrik Abel.







        share|cite|improve this answer












        share|cite|improve this answer



        share|cite|improve this answer










        answered Dec 19 at 3:07









        Chris Custer

        10.5k3724




        10.5k3724






























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