∀
For All
- Unicode
- U+2200
- Category
- Math
- HTML Entity
- ∀
- CSS
- \2200
The 'For All' symbol (∀) is a standard mathematical notation used in logic and set theory to represent universal quantification. Derived from an inverted capital letter A, it asserts that a specific premise or condition applies to every element within a given set. While primarily found in complex equations and formal proofs, it occasionally appears in technical discussions as a precise shorthand for 'every' or 'universal'.
How to Type
- Windows
- Type 2200 then Alt+X (in Word), or Win+. then search 'for all'
- macOS
- Control+Command+Space then search 'for all'
- Linux
- Ctrl+Shift+U then 2200 then Enter
- HTML
- ∀ or ∀
In Programming
Developers use the LaTeX command \forall to render this symbol in mathematical typesetting. It also appears in formal logic software and functional programming languages like Haskell to denote universally quantified types.
Tags
LaTeX forall
all elements
every
every element
forall
formal logic
inverted A
logic
math notation
mathematics
predicate logic
set theory
universal quantifier
universal quantifier symbol