≡

Symbol

 * 1)  "Is equivalent to".
 * 2)  "Is identically equal 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.
 * 1)  "Is defined as, is set to".
 * 2)  "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.
 * 1)  A triple bond.
 * 2)  If and only if.
 * 3)  An elementary equivalence.
 * 4)  Fog.
 * 5)  ISO 2047 symbol for Line Feed.
 * 6)  A homotypic synonym.