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### \footnote

`\footnote[number]{text}`

The `\footnote` command places the numbered footnote `text` at the bottom of the current page. The optional argument, `number`, is used to change the default footnote number. This command can only be used in outer paragraph mode; i.e., you cannot use it in sectioning commands like `\chapter`, in figures, tables or in a `tabular` environment.

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