# self-dual

*See also:*

**selfdual**

## EnglishEdit

### AdjectiveEdit

- (mathematics, in projective geometry) Of a proposition that is equivalent to its dual.
- (mathematics) Of a graph or polyhedron that is the dual of itself.

- (mathematics, in projective geometry) Of a proposition that is equivalent to its dual.
- (mathematics) Of a graph or polyhedron that is the dual of itself.

Retrieved from "https://en.wiktionary.org/w/index.php?title=self-dual&oldid=40419969"