extended real number system (English, noun)
expansion: extended real number system (plural real number systems)
Senses:
topics: mathematics
sciences
glosses: The real number system adjoined with two extra symbols: ∞ and −∞, inheriting the ordering of the real number system, and defining −∞ to be less than any real number, and ∞ to be larger than any real number.
Forms:
form: real number systems
tags: plural