Non-negative
- Category
- STANDARD MATHEMATICS
- Definition
- Greater than or equal to zero.
- Math Level
- GENERAL
A non-negative real quantity is greater than or equal to zero: it may be positive or exactly zero, but not negative.
An assertion that a function stays non-negative throughout a domain is a pointwise global claim. One trustworthy negative point is enough to falsify it.
See also: positive, negative, pointwise property, global non-negativity..