≡

See also: ≢ [U+2262 NOT IDENTICAL TO], ☰ [U+2630 TRIGRAM FOR HEAVEN], 三 [U+4E09 CJK UNIFIED IDEOGRAPH-4E09], and Ξ [U+039E GREEK CAPITAL LETTER XI]

Translingual

Symbol

≡

1. (mathematics) "is equivalent to"
2. (mathematics) "is identically equal to". "is defined as" or "is set to".

   The functions f and g satisfy f≡g if and only if their respective domain of definition coincide, and if f(x)=g(x) for all x in this domain.

3. (number theory) "is congruent to"; used in calculations of modulo.

   15≡3 mod 4, since both 15 and 3 gives a remainder of 3 when divided by 4.

4. (chemistry) A triple bond.
5. (logic, dated) if and only if
6. (logic) elementary equivalence
7. (meteorology) fog
8. (computing, dated) ISO 2047 symbol for Line Feed
9. (botany) homotypic synonym

Antonyms

• ≢

See also

• =
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