| principle of duality(expression, technology, science, mathematics, phenomenon) |
| global duality(expression, technology, science, mathematics, phenomenon) |
| involutive duality(expression, science, mathematics, phenomenon) |
| local duality(expression, technology, science, mathematics, phenomenon) |
| self-duality(expression, technology, science, mathematics, phenomenon) |
| duality principle(expression, science, mathematics, phenomenon, physics) |
| duality of power(expression, authority, duplicity, politics) |
| period of duality of power(expression, authority, duplicity, politics) |
| double standard |
| anti-self-duality(expression, technology, phenomenon, physics) |
| duality gap(expression, technology, phenomenon, physics) |
| duality homomorphism(expression, science, mathematics, phenomenon) |
| duality idea(expression, science, mathematics, phenomenon) |
| duality in space(expression, science, mathematics, phenomenon) |
| duality interval(expression, technology, phenomenon, physics) |
| duality isomorphism(expression, science, mathematics, phenomenon) |
| duality law(expression, science, mathematics, phenomenon) |
| duality method(expression, science, mathematics, phenomenon) |
| duality of patterning(expression, language, linguistics, phenomenon) |
| duality of structure(expression, language, linguistics, phenomenon) |