Inverse

Inverse or invert may refer to:

Science and mathematics

 * Inverse (logic), a type of conditional sentence which is an immediate inference made from another conditional sentence
 * Additive inverse (negation), the inverse of a number that, when added to the original number, yields zero
 * Compositional inverse, a function that "reverses" another function
 * Inverse element
 * Inverse function, a function that "reverses" another function
 * Generalized inverse, a matrix that has some properties of the inverse matrix but not necessarily all of them
 * Multiplicative inverse (reciprocal), a number which when multiplied by a given number yields the multiplicative identity, 1
 * Inverse matrix of an Invertible matrix

Other uses

 * Invert level, the base interior level of a pipe, trench or tunnel
 * Inverse (website), an online magazine
 * An outdated term for an LGBT person; see Sexual inversion (sexology)