idempotence

名词 n.
中文释义
英 /ˌɪdɛmˈpəʊtəns/    美 /ˈaɪdəmˌpoʊtəns/

英文释义

名词 n.
  1. A quality of an action such that repetitions of the action have no further effect on the outcome; the state of being idempotent. uncountable
    — The proof (Tables 9 and 10) of idempotence for both OR and AND follows from examining the definition of each operation under the constraint that both inputs have the same value.

词形变化

idempotency alternative

词源

Latin roots, idem (“same”) + potence (“the quality of having power”) – literally, “the quality of having the same power”. Coined by 19th century American mathematician Benjamin Peirce in context of algebra.
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