YES

# almost development closedness (van Oostrom 1997)

Consider the left-linear TRS R:

  Ap(Ap(Ap(S(),x),y),z) -> Ap(Ap(x,z),Ap(y,z))
  Ap(Ap(K(),x),y) -> x
  Ap(I(),x) -> x

R is left-linear and every critical pair is almost development closed