Fuzzy set
Fuzzy logic
Interval (graph theory)
Extension (predicate logic)
Fuzzy number
Fuzzy set operations
Type-2 fuzzy sets and systems
Interval estimation
Defuzzification
Set (abstract data type)
Mathematics
Data mining
Fuzzy classification
Computer science
Type (biology)
Operations research
Fuzzy mathematics
Mathematical optimization
Statistics
Artificial intelligence
Confidence interval
Ecology
Combinatorics
Biology
Programming language
