Partial plane

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This term is related to: incidence geometry
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Template:Incidence structure property

Defintion

An incidence structure is termed a partial plane if it satisfies the following equivalent conditions:

  • The number of blocks incident to two distinct points is at most 1
  • The number of points incident to two distinct blocks is at most 1
  • The bipartite graph associated with the incidence structure, does not contain a K_{2,2}