https://en.wikipedia.org/wiki/Positive_real_numbers

In mathematics, the set of positive real numbers, R > 0 = { x ∈ R ∣ x > 0 } {\ displaystyle \mathbb {R} _{>0}=\left\{x\in \mathbb {R} \mid x>0\right\}} \mathbb{R}_ {>0} ...

https://math.stackexchange.com/questions/27968/how-does-one-denote-the-set-of-all-positive-real-numbers

Nov 8, 2011 ... and for the non-negative-real numbers R≥0={x∈R∣x≥0}. Notations such as ... Here, all positive-real numbers except 1 are the "multiplicative" units, and thus ...

https://www.mathsisfun.com/numbers/real-numbers.html

Real Numbers are just numbers like: ... In fact: Nearly any number you can think of is a Real Number ... Real Numbers can also be positive, negative or zero.

https://proofwiki.org/wiki/Definition:Positive/Real_Number

In order to remove all confusion as to whether positive real number is intended to mean strictly positive real number, the use of the term non-negative real ...

https://sites.math.washington.edu/~lee/Courses/134-2010/axioms-for-R.pdf

Real numbers include integers, positive and negative fractions, and irrational numbers like √2, π, and e. • Integer: An integer is a whole number (positive, ...

https://proofwiki.org/wiki/Definition:Strictly_Positive/Real_Number

Jun 27, 2016 ... Definition. Definition 1. The strictly positive real numbers are the set defined as: R >0:={x∈R:x>0}. That is, all the real numbers that are strictly ...

https://www.wikidata.org/wiki/Q3176558

Feb 11, 2019 ... real number strictly greater than zero. ... real number strictly greater than zero. positive real; R₊; R⁺; ℝ₊; ℝ⁺; R+; ℝ+; positive number. edit ...

https://math.byu.edu/~math302/OLD2/content/homeworkinfo/solutions/m302_leon_3-1.pdf

Let R+ denote the set of positive real numbers. Define the operation of scalar multiplication, denoted ◦, by α ◦ x = xα for each x ∈ R+ and for any real number α.

https://www.quora.com/What-are-positive-real-numbers-Is-0-included-in-it

An element 'a' of the ordered field R of all real numbers, is said to be positive, if a > 0. Since the inequality is strict, 0 is not included in it.

https://ncatlab.org/nlab/show/positive+number

Nov 21, 2017 ... using the usual total order on the real line. The only nonnegative number that is not positive is zero. Such a number may also be called weakly ...