# coplane

## Contents

## EnglishEdit

### EtymologyEdit

### NounEdit

**coplane** (*plural* **coplanes**)

- (mathematics) The dual of a plane.
**1980**, Jaya Srivastava, Combinatorial Mathematics, Optimal Designs, and Their Applications, page 61:- In Section 4 we show that any PMD in which a
**coplane**is not the intersection of two hyperplanes is an extension of a projective plane.

- In Section 4 we show that any PMD in which a