摘 要: | ~~Theory of truth degrees of formulas in ■ukasiewicz n-valued propositional logic and a limit theorem1. Rosser, J. B., Turquette, A. R., Many-Valued Logics, Amsterdam: North-Holland, 1952.2. Pavelka, J., On fuzzy logic Ⅰ,Ⅱ,Ⅲ, Z. Math. Logik Grundlagen Math., 1979, 25: 45-52; 119-134; 447-464.3. Ying Mingsheng, Deduction theorem for many-valued inference, Z. Math. Logik Grundlagen Math., 1991, 37: 533-537.4. Ying Mingsheng, The fundamental theorem of ultraproduct in …
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