The symbol ≡ (
triple bar) is used in science and mathematics with several different meanings. It may refer to the following:
Mathematics
*
Identity (mathematics), identity of two mathematical expressions
*
Logical biconditional, in logic (if and only if)
*
Modular arithmetic, a ≡ b (mod m)
*
Equivalence relation
In mathematics, an equivalence relation is a binary relation that is reflexive, symmetric and transitive. The equipollence relation between line segments in geometry is a common example of an equivalence relation.
Each equivalence relation ...
, often denoted using a triple bar
Chemistry
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Triple bond, a type of covalent bond between two atoms
Computing
*
Hamburger button
The hamburger button (the triple bar ≡ or trigram symbol ☰), so named for its unintentional resemblance to a hamburger, is a button typically placed in a top corner of a graphical user interface. Its function is to toggle a menu (sometimes ...
, often used for drop-down menus
* Symbol for the
line feed character in
ISO 2047
Vehicles
*
Tesla Model 3, stylized symbol
See also
* ≅, a symbol used in
approximation
An approximation is anything that is intentionally similar but not exactly equality (mathematics), equal to something else.
Etymology and usage
The word ''approximation'' is derived from Latin ''approximatus'', from ''proximus'' meaning ''very ...
* The eight trigrams of the
Bagua: ☰, ☱, ☲, ☳, ☴, ☵, ☶, ☷
*
Ξ, capital letter Xi of the Greek alphabet
*
List of mathematical symbols
{{disambiguation