冪べき等とう性せい

noun

idempotence

Technical term in mathematics and computing: an operation is idempotent if applying it multiple times has the same effect as applying it once.

• HTTPのPUTメソッドは冪べき等とう性せいを持もつ。

  The HTTP PUT method has idempotence.

• この関かん数すうの冪べき等とう性せいを証しょう明めいする必ひつ要ようがある。

  We need to prove the idempotence of this function.