synonymous

代名詞の、同然の

別の考えと強く結びつき、同じもののように思われる。

やさしい英語で： So closely connected with another idea that people think of them together or treat them as the same.

• The brand is synonymous with quality.
• Her name became synonymous with courage.
• For many visitors, this city is synonymous with fashion.

使い方： synonymous with something (For him, summer is synonymous with freedom.)

類義語： associated, equivalent

よく使う表現： synonymous with something, almost synonymous

同義の

別の語や表現と、同じかほぼ同じ意味を持つ。

やさしい英語で： Having the same or almost the same meaning as another word or phrase.

• These two words are synonymous.
• Here, happy is nearly synonymous with glad.
• The terms are synonymous in everyday speech.

使い方： synonymous with something (In this context, rapid is synonymous with fast.)

類義語： equivalent

よく使う表現： synonymous words, synonymous with something, nearly synonymous

論理的に同値の

どちらも同時に真か、同時に偽となる主張を表す。

やさしい英語で： Expressing claims that must both be true or both be false.

• These propositions are logically synonymous.
• The proof shows that the two statements are synonymous.
• If the claims are synonymous, one cannot be true while the other is false.

使い方： synonymous with something (This proposition is synonymous with the earlier claim.)

類義語： logically equivalent

よく使う表現： synonymous propositions, logically synonymous, synonymous statements