Abstract
Lowen introduced the concept of fuzzy neighbourhood spaces (fns's), and proved that the family of level topologies of a fns is an antichain. Wuyts characterized fns's as being those fully stratified fuzzy topological spaces (fts's) whose level topologies form antichains and whose fuzzy topologies are the finest possible for thier level topologies. Mashhour et al. introduced the axiom of structure A on fts's, and derived for it several characterizations and fuzzy topological consequences. We use those characterizations of structure A and Wuyts' characterization of fns's to prove that a fts is a fns iff it is of structure A and fully stratified.
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