title: Inverse
text: # 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  * An outdated term for an LGBT person; see Sexual inversion (sexology)
  