As nouns the difference between copland and coplane
is that copland is a piece of ground terminating in a point or acute angle while coplane is 1980, Jaya Srivastava, Combinatorial Mathematics, Optimal Designs, and Their Applications (page 61.
copland
English
Noun
(obsolete) A piece of ground terminating in a point or acute angle.
(
Webster 1913)
coplane
English
Noun
(
en noun)
(math)
* 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.