≡
The symbol ≡ (triple bar) is used in science and mathematics with several different meanings. It may refer to:
Mathematics
- Identity (mathematics), identity of two mathematical expressions
- Logical biconditional, in logic (if and only if)
- Modular arithmetic, a ≡ b (mod m)
- Equivalence relation, often denoted using a triple bar
Chemistry
- Triple bond, a type of covalent bond between two atoms
Computing
- Hamburger button, often used for drop-down menus
Vehicles
- Tesla Model 3, stylized symbol
See also
- ≅ (disambiguation), the symbol for a congruence relation in algebra
- ☰, Qián, the trigram of the I Ching that consists of three unbroken lines
- Ξ, capital letter Xi of the Greek alphabet
- List of mathematical symbols
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