> [!summary] Fields refer to sets of allowed numbers. > **Key Equations:** > Fields denoted as: $\mathbb{F}$ >[!info]+ Read Time **⏱ 1 min** # Definition A field refers to a [[Sets|set]] of allowed numbers. If $n$ was in the set of a field, then $n$ could be a [[Real Numbers|real number]], complex number, or rational number. It is denoted as follows $ n\in \mathbb{F} $ --- > 🧠 Enjoy this walkthrough? [Support Math & Matter](https://github.com/rajeevphysics/Obsidian-MathMatter) with a star and help others learn more easily. ---