关键词: incidence geometry, chamber system, residue, conplex, flag

Abstract: In  this  paper  we  prove  the  equivalence  of  two  conditions  for  geometry,which  are  used in  the  investigation  of  the  quotient  structure  of  geometry.Furthermore  we   deal  with   the  relation bet  ween  the  connectedness  of  complices  and  that  of  chamber  systems.

Key words: incidence , geometry, chamber system, residue, conplex, flag