چۆن گۆ دەکرێ duality

وەرگێڕانی duality

پێناسەی duality

• being twofold; a classification into two opposed parts or subclasses
• (physics) the property of matter and electromagnetic radiation that is characterized by the fact that some properties can be explained best by wave theory and others by particle theory
• (geometry) the interchangeability of the roles of points and planes in the theorems of projective geometry