Bizarre! No, I haven't seen nor heard of it. I spoke with Aczel, who gave a talk at the recent meeting in New Orleans I was at. He has toned down his claims for NWF sets quite a bit and now only claims that they are useful for intuition. He does prefer to talk of sets and classes, where I might prefer an inaccessible, but that is perfectly harmless as far as I am concerned. Michael ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++