Q
المؤلف:
Bourbaki, N.
المصدر:
Éléments de mathématique: Algèbre. Reprinted as Elements of Mathematics: Algebra I, Chapters 1-3. Berlin:Springer-Verlag, 1998.
الجزء والصفحة:
...
17-10-2020
1222
Q
The doublestruck capital letter Q, 
, denotes the field of rationals. It derives from the German word Quotient, which can be translated as "ratio." The symbol 
first appeared in Bourbaki's Algèbre (reprinted as Bourbaki 1998, p. 671).
REFERENCES:
Bourbaki, N. Éléments de mathématique: Algèbre. Reprinted as Elements of Mathematics: Algebra I, Chapters 1-3. Berlin:Springer-Verlag, 1998.
Dummit, D. S. and Foote, R. M. Abstract Algebra, 2nd ed. Englewood Cliffs, NJ: Prentice-Hall, p. 1, 1998.
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