
theorem
  for M being PseudoMetricSpace,x,p,q being Element of M st
  p in x-neighbour & q in x-neighbour holds p tolerates q
proof
  let M be PseudoMetricSpace, x,p,q be Element of M;
  assume p in x-neighbour & q in x-neighbour;
  then p tolerates x & q tolerates x by Th2;
  hence thesis by Th1;
end;
