Keywordsdecision making; imprecision; qualitative scales; linguistic expressions; scores; orderings; aggregation; type 2 fuzzy sets; fuzzy numbers; partial order; aggregation functions; lattice operators; idempotence; orness; fuzzy binary relation; fuzzy Suzumura consistency; order-preserving function; maximal element; indistinguishability operator; fuzzy (pseudo-)metric; modular (pseudo-)metric; continuous Archimedean t-norm; additive generator; pseudo-inverse; environmental performance; criteria relationship; Choquet integral; uncertainty information; α-internal; β-internal; α-external; β-external cubic interval-valued intuitionistic fuzzy set; cubic interval-valued intuitionistic fuzzy subalgebra; cubic interval-valued intuitionistic fuzzy ideal; fuzzy set; ordered category; category of fuzzy sets; ordered fuzzy number; arithmetic operator; linear space; aggregation functions; aggregation operators; Arrow’s theorem; regular intuitionistic fuzzy soft graphs; irregular intuitionistic fuzzy soft graph; edge irregular intuitionistic fuzzy soft graphs; decision-making; convex space; aggregation operator; invariance; independence; quantile; fuzzy set theory and its applications
