# Inequality (mathematics)

## Mathematical relation expressed with < or ≤ / From Wikipedia, the free encyclopedia

#### Dear Wikiwand AI, let's keep it short by simply answering these key questions:

Can you list the top facts and stats about Less than?

Summarize this article for a 10 year old

SHOW ALL QUESTIONS

This article is about relations "greater than" and "less than". For the relation "not equal", see Inequation.

"Less than" and "Greater than" redirect here. For the symbol <, see less-than sign. For the symbol >, see greater-than sign. For the song, see Less Than (song).

"≪" redirects here. Not to be confused with Absolute continuity of measures.

In mathematics, an **inequality** is a relation which makes a non-equal comparison between two numbers or other mathematical expressions.^{[1]} It is used most often to compare two numbers on the number line by their size. The main types of inequality are **less than** and **greater than**.

This article includes a list of general references, but it lacks sufficient corresponding inline citations. (May 2017) |