fuzzy subsethood

formato ferrante (formato@bridge.diima.unisa.it)
Mon, 6 Apr 1998 00:40:39 +0200 (MET DST)

I am currently studying the inclusion degrees and subsethood indexes
of fuzzy sets. I have the works of Kosko, Young, Sinha and Dougherty.
Does anybody knows of other inclusion degree of fuzzy sets?
Thanks
Ferrante Formato