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How to construct left-continuous triangular norms – state of the art. (English) Zbl 1040.03021
Summary: Left-continuity of triangular norms is the characteristic property to make it a residuated lattice. Nowadays residuated lattices are subjects of intense investigation in the fields of universal algebra and nonclassical logic. The recently known construction methods resulting in left-continuous triangular norms are surveyed in this paper.

MSC:
03B52 Fuzzy logic; logic of vagueness
03G10 Logical aspects of lattices and related structures
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