Assertion: set's number | /r/HasProperty | negative
Facets:
value: namely
type: DEGREE
Source sentences:
text: If a number is negative, the absolute value function makes it positive: WARNING:
text: In short: If a number is positive (or zero), the absolute value function does nothing to it:
text: When considered as a subset of the extended reals formed by adding two "numbers" or "points" to the real numbers, namely negative infinity, denoted − ∞ , {\displaystyle -\infty \!\,,} which is defined to be less than every other extended real number, and positive infinity, denoted + ∞ , {\displaystyle +\infty \!\,,} which is defined to be greater than every other extended real number, then:
text: Subtraction of natural numbers (non-negative integers) can be viewed as a partial function: