Journal of Algebra, Number Theory: Advances and Applications
FOLD FILTERS IN BL-ALGEBRAS[1] C. C. Chang, Algebraic analysis of many valued logic, Trans. Amer.
Math. Soc. 88 (1958), 467-490.
[2] R. Cignoly, F. Esteva and L. Godo, Basic fuzzy logic is the logic
of continuous t-norm and their residual, Soft Comput. 4 (2000),
106-112.
[3] A. Di Nola, G. Georgescu and A. Iorgulescu, Pseudo BL-Algebra,
Part I, Mult. Val. Logic. 8(5-6) (2002), 673-714.
[4] A. Di Nola and L. Leustean, Compact Representations of BL-Algebra,
Department of Computer Science, University Aarhus, BRICS Report
Science (2002).
[5] P. Hajek, Metamathematics of Fuzzy Logic, Kluwer Academic
Publishers, (1988).
[6] P. Hajek, What is mathematical fuzzy logic?, Fuzzy Sets and
Systems 157 (2004), 597-603.
[7] M. Haveshki, A. Borumand Saeid and E. Eslami, Some types of
filters in BL-algebras, Soft Comput. 10 (2006), 657-664.
[8] M. Haveshki and E. Eslami, n-fold filters in BL-algebras, Math.
Log. Quart. 54 (2008), 176-186.
[9] M. Kondo and W. A. Dudek, Filter theory of BL-algebras, Soft
Comput. 12 (2008), 419-423.
[10] E. Turunen, BL-algebras of basic fuzzy logic, Math. Soft Comput.
6 (1999), 49-61.
[11] E. Turunen, Boolean deductive system of BL-algebras, Arch. Math.
Logic. 40 (2001), 467-473.
