equivalence

同等性、等価性

別のものと価値や意味、効果が同じであること。

やさしい英語で： The state of having the same value, meaning, or effect as something else.

• The test confirmed their equivalence.
• We checked the equivalence of the two qualifications.
• Students must prove an equivalence between the expressions.

使い方： equivalence between A and B (The study found equivalence between the two treatments.); equivalence of A and B (We need proof of the equivalence of these qualifications.)

類義語： equality

反対語： inequality

よく使う表現： equal equivalence, equivalence relation, equivalence of qualifications

同一視、同等視

二つのものの価値や重要性が同じだとする主張や比較。

やさしい英語で： A claim or comparison that treats two things as having the same value or importance.

• That argument creates a false equivalence.
• She rejected his equivalence between criticism and hatred.
• Drawing a moral equivalence between these actions seems unfair.

使い方： equivalence between A and B (He rejected the equivalence between a mistake and a deliberate lie.)

類義語： equation, comparison

よく使う表現： false equivalence, moral equivalence

翻訳等価性、意味的等価性

翻訳が元の言葉の意味をどの程度正確に表しているか。

やさしい英語で： How closely a translation matches the meaning of the original words.

• Perfect equivalence is difficult in translation.
• This phrase has no direct equivalence in French.
• The translators discussed equivalence at the level of individual words.

使い方： equivalence between A and B (The translator sought equivalence between the original poem and her version.)

よく使う表現： translation equivalence, semantic equivalence, functional equivalence