# Intersection Symbol

## Copy and Paste

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=
HTML Meaning
`&cap;`
`&#8745;`
`U+2229`
Intersection Symbol
The Intersection Symbol, denoted as ∩, represents the mathematical concept of intersection, which is the set containing all elements common to two or more sets.

### What is the Intersection Symbol?

The Intersection Symbol, symbolized by ∩, is used in set theory to denote the intersection of two or more sets. An intersection contains all elements that are common to all the sets under consideration.

### Applications of the Intersection Symbol in Various Fields

The Intersection Symbol (∩) has applications in multiple disciplines:

• Mathematics: Widely used in set theory, algebra, and other mathematical contexts.
• Computer Science: Employed in algorithms and data structures like hash maps and sets.
• Statistics: Used to represent events that occur together in probability theory.
• Engineering: Utilized in systems theory and control theory.

The interpretation of the Intersection Symbol largely depends on its contextual usage, whether in academic disciplines or applied sciences.

### How to Type the Intersection Symbol Using Keyboard Shortcuts, Alt Codes, and LaTeX

• Windows: Hold down the Alt key and type `239` on the numeric keypad, then release the Alt key.
• Mac: Press Option + w.
• Linux: Press Ctrl + Shift + u, then type `2229` and press Enter.
• HTML: Use the named entity `&cap;` or the numeric entity `&#8745;`.
• LaTeX: To type the Intersection Symbol in LaTeX, use the command `\cap`.