% FALSE -- good to know!

function stricheck
for t=1:1000
  A = pnormdim(rand(3),1);
  [h,i1,i2,t0] = strict(A);
  x = A(:,i1);
  y = A(:,i2);
  j = setdiff(1:3,[i1,i2]);
  z = A(:,j);
  g = istwixt(x,y,z);
  if ~g
    keyboard
  end
end
  
return