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real line
(redirected from Real number line)

   Also found in: Wikipedia 0.04 sec.
real line [′rēl ′līn]
(mathematics)
A straight line of infinite extent upon which the real numbers are plotted according to their distance in a positive or negative direction from a point arbitrarily chosen as zero. Also known as number line.


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After all, the real number line is an infinitely long, continuous expanse, while the counting numbers are just isolated milestones along this line.
 
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