In mathematics, the less than and greater than signs denote an inequality between two values. These signs are easily typeset in LaTeX using the keys available in your keyboard < and > which produce the output \(<\) and \(>\) inside math mode (they can also be used outside math mode, but the output looks slightly different).
The next table summarizes different commands for comparing quantities:
| Description | Command | Output |
|---|---|---|
| Less than | < | \(A<B\) |
| Greater than | > | \(A>B\) |
| Less or equal than | \le | \(A \le B\) |
| Greater or equal than | \ge | \(A \ge B\) |
| Much smaller | \ll | \(A \ll B\) |
| Much greater | \gg | \(A \gg B\) |
- When we want to denote that some quantity is less than or equal to some other, we have to use the symbol ≤ which is produced inside math mode with the code $\le$. Similarly, we can produce the greater than or equal symbol ≥ with the code $\ge$.
- We can also denote, more qualitatively, that a quantity is much greater than another using the symbol \( \gg \), which can be obtained with $\gg$. Again, we can also denote that a quantity is much smaller than another using \( \gg \), which is obtained with $\ll$.
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