有ゆう理り

noun which may take the genitive case particle 'no'

rational; logical

Describes something based on reason or logic, often used in formal or academic contexts. Commonly appears in compounds like 有理的 (rational) or 有理数 (rational number).

• 彼かれの主しゅ張ちょうは有ゆう理りだと思おもう。

  I think his argument is rational.

noun which may take the genitive case particle 'no'

rational (number or function)

Mathematics term. Used in phrases like 有理数 (rational number) and 有理関数 (rational function).

• 有ゆう理り数すうは分ぶん数すうで表あらわせる数かずです。