Kalaichelvi, A2017-03-312017-03-312011https://ir.avinuty.ac.in/handle/avu/2447In this paper the definition o f W-Hausdorff space introduced by Warren,R.H./2J is extended to second order fuzzy topological spaces in two different ways. It is shown that these two concepts are hereditary and productive. The relations between first order and second order concepts are studied. The behaviour o f these concepts with regard to i(6), i/S), i*(6), aifr), (o)2 (T))sand a)2 *(t) are also analysed.