An antiflag is a nonincident point-hyperlane pair in a projective space.

Olive Whicher has written:

'The Heart of the Matter'

'Projective geometry; creative polarities in space and time' -- subject(s): Projective Geometry

A non projective drawing is a form of objective drawing. Projective drawings reveal the underlying personal structure of an individual.

Projective - financial company - was created in 2006.

Roy Martin Winger has written:

'An introduction to projective geometry' -- subject(s): Geometry, Projective, Projective Geometry