In
mathematics, an
inequation is a statement that an
inequality holds between two values. It is usually written in the form of a pair of
expressions denoting the values in question, with a relational sign between them indicating the specific inequality relation. Some examples of inequations are:
![](http://info.babylon.com/onlinebox.cgi?rt=GetFile&uri=!!ARV6FUJ2JP&type=0&index=715)
![](http://info.babylon.com/onlinebox.cgi?rt=GetFile&uri=!!ARV6FUJ2JP&type=0&index=3128)
![](http://info.babylon.com/onlinebox.cgi?rt=GetFile&uri=!!ARV6FUJ2JP&type=0&index=548)
![](http://info.babylon.com/onlinebox.cgi?rt=GetFile&uri=!!ARV6FUJ2JP&type=0&index=670)
Some authors apply the term only to inequations in which the inequality relation is, specifically, not-equal-to (≠).