What do you call a relation between two unknowns?

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3















I know that in mathematics, the relation a = 2b is called an equation.



Is the relation a > 2b is still called an equation or is it called something else?










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  • 1





    Seems to be a duplicate of Inequality vs. Inequation, Equation vs. Equality.

    – Chemomechanics
    Jan 8 at 22:15












  • Possible duplicate of Inequality vs. Inequation, Equation vs. Equality

    – Chappo
    Jan 9 at 1:15















3















I know that in mathematics, the relation a = 2b is called an equation.



Is the relation a > 2b is still called an equation or is it called something else?










share|improve this question

















  • 1





    Seems to be a duplicate of Inequality vs. Inequation, Equation vs. Equality.

    – Chemomechanics
    Jan 8 at 22:15












  • Possible duplicate of Inequality vs. Inequation, Equation vs. Equality

    – Chappo
    Jan 9 at 1:15













3












3








3








I know that in mathematics, the relation a = 2b is called an equation.



Is the relation a > 2b is still called an equation or is it called something else?










share|improve this question














I know that in mathematics, the relation a = 2b is called an equation.



Is the relation a > 2b is still called an equation or is it called something else?







mathematics






share|improve this question













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asked Jan 8 at 16:18









Adam BaranyaiAdam Baranyai

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1213







  • 1





    Seems to be a duplicate of Inequality vs. Inequation, Equation vs. Equality.

    – Chemomechanics
    Jan 8 at 22:15












  • Possible duplicate of Inequality vs. Inequation, Equation vs. Equality

    – Chappo
    Jan 9 at 1:15












  • 1





    Seems to be a duplicate of Inequality vs. Inequation, Equation vs. Equality.

    – Chemomechanics
    Jan 8 at 22:15












  • Possible duplicate of Inequality vs. Inequation, Equation vs. Equality

    – Chappo
    Jan 9 at 1:15







1




1





Seems to be a duplicate of Inequality vs. Inequation, Equation vs. Equality.

– Chemomechanics
Jan 8 at 22:15






Seems to be a duplicate of Inequality vs. Inequation, Equation vs. Equality.

– Chemomechanics
Jan 8 at 22:15














Possible duplicate of Inequality vs. Inequation, Equation vs. Equality

– Chappo
Jan 9 at 1:15





Possible duplicate of Inequality vs. Inequation, Equation vs. Equality

– Chappo
Jan 9 at 1:15










2 Answers
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19














The example you give, a > 2b, is called an inequality.

In my grade-school math classes we used the term "inequality" to refer even to expressions like a ≥ 2b; language can be messy sometimes.



Equations, inequalities, and expressions like a ∈ ℚ and "b is prime" are all constraints.






share|improve this answer






























    4














    Your question seems to me to provide its own answer. The word relation is often used in this context, it avoids needless debate about whether a ≥ 2b is an inequality or not, and if anyone wants to know exactly what kind of relation they need only look at the mathematical notation.






    share|improve this answer























    • Correct me if I'm wrong, but doesn't "relation" refer to the result of the constraint a ≥ 2b, and not the constraint itself?

      – John Wu
      Jan 9 at 2:28











    • @JohnWu I am not quite sure what you mean by the result in this context. Certainly in the kind of papers and books I read relation has the meaning I have suggested in my answer.

      – JeremyC
      Jan 9 at 2:52










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    2 Answers
    2






    active

    oldest

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    2 Answers
    2






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes









    19














    The example you give, a > 2b, is called an inequality.

    In my grade-school math classes we used the term "inequality" to refer even to expressions like a ≥ 2b; language can be messy sometimes.



    Equations, inequalities, and expressions like a ∈ ℚ and "b is prime" are all constraints.






    share|improve this answer



























      19














      The example you give, a > 2b, is called an inequality.

      In my grade-school math classes we used the term "inequality" to refer even to expressions like a ≥ 2b; language can be messy sometimes.



      Equations, inequalities, and expressions like a ∈ ℚ and "b is prime" are all constraints.






      share|improve this answer

























        19












        19








        19







        The example you give, a > 2b, is called an inequality.

        In my grade-school math classes we used the term "inequality" to refer even to expressions like a ≥ 2b; language can be messy sometimes.



        Equations, inequalities, and expressions like a ∈ ℚ and "b is prime" are all constraints.






        share|improve this answer













        The example you give, a > 2b, is called an inequality.

        In my grade-school math classes we used the term "inequality" to refer even to expressions like a ≥ 2b; language can be messy sometimes.



        Equations, inequalities, and expressions like a ∈ ℚ and "b is prime" are all constraints.







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Jan 8 at 16:37









        ShapeOfMatterShapeOfMatter

        30613




        30613























            4














            Your question seems to me to provide its own answer. The word relation is often used in this context, it avoids needless debate about whether a ≥ 2b is an inequality or not, and if anyone wants to know exactly what kind of relation they need only look at the mathematical notation.






            share|improve this answer























            • Correct me if I'm wrong, but doesn't "relation" refer to the result of the constraint a ≥ 2b, and not the constraint itself?

              – John Wu
              Jan 9 at 2:28











            • @JohnWu I am not quite sure what you mean by the result in this context. Certainly in the kind of papers and books I read relation has the meaning I have suggested in my answer.

              – JeremyC
              Jan 9 at 2:52















            4














            Your question seems to me to provide its own answer. The word relation is often used in this context, it avoids needless debate about whether a ≥ 2b is an inequality or not, and if anyone wants to know exactly what kind of relation they need only look at the mathematical notation.






            share|improve this answer























            • Correct me if I'm wrong, but doesn't "relation" refer to the result of the constraint a ≥ 2b, and not the constraint itself?

              – John Wu
              Jan 9 at 2:28











            • @JohnWu I am not quite sure what you mean by the result in this context. Certainly in the kind of papers and books I read relation has the meaning I have suggested in my answer.

              – JeremyC
              Jan 9 at 2:52













            4












            4








            4







            Your question seems to me to provide its own answer. The word relation is often used in this context, it avoids needless debate about whether a ≥ 2b is an inequality or not, and if anyone wants to know exactly what kind of relation they need only look at the mathematical notation.






            share|improve this answer













            Your question seems to me to provide its own answer. The word relation is often used in this context, it avoids needless debate about whether a ≥ 2b is an inequality or not, and if anyone wants to know exactly what kind of relation they need only look at the mathematical notation.







            share|improve this answer












            share|improve this answer



            share|improve this answer










            answered Jan 8 at 23:01









            JeremyCJeremyC

            2,397313




            2,397313












            • Correct me if I'm wrong, but doesn't "relation" refer to the result of the constraint a ≥ 2b, and not the constraint itself?

              – John Wu
              Jan 9 at 2:28











            • @JohnWu I am not quite sure what you mean by the result in this context. Certainly in the kind of papers and books I read relation has the meaning I have suggested in my answer.

              – JeremyC
              Jan 9 at 2:52

















            • Correct me if I'm wrong, but doesn't "relation" refer to the result of the constraint a ≥ 2b, and not the constraint itself?

              – John Wu
              Jan 9 at 2:28











            • @JohnWu I am not quite sure what you mean by the result in this context. Certainly in the kind of papers and books I read relation has the meaning I have suggested in my answer.

              – JeremyC
              Jan 9 at 2:52
















            Correct me if I'm wrong, but doesn't "relation" refer to the result of the constraint a ≥ 2b, and not the constraint itself?

            – John Wu
            Jan 9 at 2:28





            Correct me if I'm wrong, but doesn't "relation" refer to the result of the constraint a ≥ 2b, and not the constraint itself?

            – John Wu
            Jan 9 at 2:28













            @JohnWu I am not quite sure what you mean by the result in this context. Certainly in the kind of papers and books I read relation has the meaning I have suggested in my answer.

            – JeremyC
            Jan 9 at 2:52





            @JohnWu I am not quite sure what you mean by the result in this context. Certainly in the kind of papers and books I read relation has the meaning I have suggested in my answer.

            – JeremyC
            Jan 9 at 2:52

















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