Natural SciencesMathematicsSet TheoryFuzzy LogicFuzzy SetsType Theory
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A formulation of the simple theory of types
Alonzo Church · Journal of Symbolic Logic · 1940 · 1.9K citations
Completeness in the theory of types
Leon Henkin · Journal of Symbolic Logic · 1950 · 842 citations
Equality relations as a basis for fuzzy control
Frank Klawonn, Rudolf Kruse · Fuzzy Sets and Systems · 1993 · 141 citations