(? A) ([(? w) (w ? A) ? (? z)(? u)(u ? A ? u = z)] ? (? x)(?
  y)[(? w)(w ? A ? w = y) ? (x = y)]) "For all A, there exists
  some w in A and there exists a z where for all u in A that
  implies that u is less than or equal to z and all that implies
  there exist an x where for all y and all w in A, the implication
  that w implies w is less than or equal to y is true. All the
  foregoing are equivalent to x is less than or equal to y. "
  [1]logiz2

References

  Visible links
  1. http://icopiedyou.com/wp-content/uploads/2015/12/logiz2.jpg