Abstract
We consider partial linear spaces all of whose lines contain at least three points and in which every pair of intersecting lines generates a subspace isomorphic to a projective or dual affine plane. In particular, we classify in this paper those spaces that contain a projective plane.
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Cuypers, H. On delta spaces satisfying Pasch's axiom. J Geom 53, 67–75 (1995). https://doi.org/10.1007/BF01224040
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DOI: https://doi.org/10.1007/BF01224040