The positive rational numbers, denoted .
Q^+
See also
Q, Q-Bar, Rational NumberExplore with Wolfram|Alpha
References
Dummit, D. S. and Foote, R. M. Abstract Algebra, 2nd ed. Englewood Cliffs, NJ: Prentice-Hall, p. 1, 1998.Cite this as:
Weisstein, Eric W. "Q^+." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Q-Plus.html