Inequality (mathematics)

In mathematics, an inequality is a relation which makes a non-equal comparison between two numbers or other mathematical expressions. 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 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.
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