## 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.

Last modified on 18 June 2013, at 23:55
## EnglishEdit

### AdjectiveEdit

#### Derived termsEdit

- (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.