Zhang, Wen Xiu; Xu, Zong Ben; Liang, Yi; Liang, Guang Xi Inclusion degree theory. (Chinese. English summary) Zbl 1332.68210 Fuzzy Syst. Math. 10, No. 4, 1-9 (1996). Cited in 1 Document MSC: 68T27 Logic in artificial intelligence 03B52 Fuzzy logic; logic of vagueness PDF BibTeX XML Cite \textit{W. X. Zhang} et al., Fuzzy Syst. Math. 10, No. 4, 1--9 (1996; Zbl 1332.68210)