Translation guide
The concept of two fundamental principles, aspects, or states existing together, often in contrast or complement. This guide covers philosophical, descriptive, and technical uses.
Expressing the idea of two opposing yet complementary principles or aspects of existence.
The standard term for duality in philosophy, religion, and abstract discussions. Refers to the state of having two fundamental principles.
Yin and yang is a concept of duality.
Emphasizes two sides or aspects of a single thing, like a coin. Often used for personality or character.
Used in mathematics, physics, and formal logic for duality (e.g., wave-particle duality). Technical term.
Describing a person or thing having two contrasting qualities, often good and evil.
Referring to a formal correspondence between two theories or systems.
二元性 (nigen-sei) is about two fundamental principles (e.g., good vs evil, mind vs body). 二面性 (nimen-sei) is about two sides of the same thing (e.g., a person's public and private faces). Use 二元性 for abstract dualism, 二面性 for dual aspects.
Saying 彼の性格には二元性がある sounds odd; it implies a philosophical dualism. Use 二面性 for personality.
彼の性格には二面性がある。
His personality has a duality.
Wave-particle duality is fundamental to quantum mechanics.
He has two contradictory sides.
この問題の双対を考えてみよう。
Let's consider the dual of this problem.