theorem Th17:
  the CONGR of Lambda(OASpace(V)) = lambda(DirPar(V))
proof
  Lambda(OASpace(V)) = AffinStruct(#the carrier of OASpace(V), lambda(the
CONGR of OASpace(V))#) & OASpace(V) = AffinStruct (#the carrier of V, DirPar(V)
  #) by ANALOAF:def 4,DIRAF:def 2;
  hence thesis;
end;
