Turned E
Turned E (∃) is a symbol based upon the letter E. It is used to represent existential quantification in predicate logic. When it appears in a formula together with a predicate variable, they are referred to as an existential quantifier.
In Unicode the symbol is encoded U+2203 ∃ There exists (HTML ∃ · ∃).
There also exists a Latin script letter U+018E Ǝ Latin capital letter reversed E (HTML Ǝ) used in some African languages.
See also
- Ǝ
- Ə
- Transformation of text
- Existential quantification
- List of mathematical symbols
- List of logic symbols
References
This article is issued from
Wikipedia.
The text is licensed under Creative Commons - Attribution - Sharealike.
Additional terms may apply for the media files.