inverse

Reversed in order, nature, or effect.

Of or relating to an inverse or an inverse function.

Turned upside down; inverted.

Something that is opposite, as in sequence or character; the reverse.

One of a pair of elements in a set whose result under the operation of the set is the identity element, especially.

The reciprocal of a designated quantity.

The negative of a designated quantity.

In logic, with conclusion as hypothesis and hypothesis as conclusion.

In logic, a proposition made by simply interchanging the hypothesis and conclusion of another, without any restriction.

In mathematics, an inverse point, curve, function, ratio, proportion, etc.