Zulfiqar, Muhammad; Shabir, Muhammad On the properties of certain fuzzy sub-implicative ideals in BCI-algebras. (English) Zbl 1368.06016 Appl. Sci. 19, 142-156 (2017). MSC: 06F35 06B10 PDFBibTeX XMLCite \textit{M. Zulfiqar} and \textit{M. Shabir}, Appl. Sci. 19, 142--156 (2017; Zbl 1368.06016) Full Text: Link
Zulfiqar, Muhammad; Shabir, Muhammad Characterizations of \((\overline{\in},\overline{\in}\vee \overline{q})\)-interval valued fuzzy H-ideals in BCK-algebras. (English) Zbl 1463.06114 Kuwait J. Sci. 42, No. 2, 42-66 (2015). MSC: 06F35 06B10 PDFBibTeX XMLCite \textit{M. Zulfiqar} and \textit{M. Shabir}, Kuwait J. Sci. 42, No. 2, 42--66 (2015; Zbl 1463.06114) Full Text: Link
Zulfiqar, Muhammad; Shabir, Muhammad Positive implicative \((\in,\in,\vee q)\)-fuzzy ideals (\((\in,\in,\vee q)\)-fuzzy ideals, fuzzy ideals with thresholds) of BCK-algebras. (English) Zbl 1374.06054 Math. Rep., Buchar. 16(66), No. 2, 219-241 (2014). MSC: 06F35 06B10 03G25 PDFBibTeX XMLCite \textit{M. Zulfiqar} and \textit{M. Shabir}, Math. Rep., Buchar. 16(66), No. 2, 219--241 (2014; Zbl 1374.06054)