
theorem
  for f be FinSequence of TOP-REAL 2
  for p,q be Point of TOP-REAL 2 st p in L~f & q in L~f &
  ( Index(p,f) < Index(q,f) or
  Index(p,f) = Index(q,f) & LE p,q,f/.Index(p,f),f/.(Index(p,f)+1) ) &
  p <> q holds L~B_Cut(f,p,q) c= L~f by Lm3;
