Q^+
The positive rational numbers, denoted Q^+.
See also
Q, Q-Bar, Rational NumberExplore with Wolfram|Alpha
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References
Dummit, D. S. and Foote, R. M. "Basics." §0.1 in Abstract Algebra, 3rd ed. Hoboken, NJ: Wiley, p. 1, 2004.Referenced on Wolfram|Alpha
Q^+Cite this as:
Weisstein, Eric W. "Q^+." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/Q-Plus.html