逆ぎゃく写しゃ像ぞう

noun

inverse mapping

A mathematical term for a function that reverses another function. Used in set theory and related fields.

• 写しゃ像ぞうが全ぜん単たん射しゃならば、逆ぎゃく写しゃ像ぞうが存そん在ざいする。

  If a mapping is bijective, an inverse mapping exists.