Published: 1977 Received: May 31, 1976Available on J-STAGE: October 20, 2006Accepted: -
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Date of correction: October 20, 2006Reason for correction: -Correction: CITATIONDetails: Wrong : 1) S. C. Kleene, Introduction to metamathematics, Van Nostrand Company, Inc., Princeton, N. J., 1952. 2) J. McCarthy, Predicate calculus with “undefined” as a truth value, Stanford Artificial Intelligence Project, Memo 1, 1963. 3) T. Nishimura and T. Ohya, The formal system for various 3-valued logics I, Science Reports of the Tokyo Kyoiku Daigaku, Section A, Vol. 13, No. 348 (1975), 7-22. 4) M. Takahashi, Many valued logics of extended Gentzen style, Science Reports of the Tokyo Kyoiku Daigaku, Section A, Vol. 9, No. 237 (1967), 271-292.
Right : [1] S. C. Kleene, Introduction to metamathematics, Van Nostrand Company, Inc., Princeton, N. J., 1952. [2] J. McCarthy, Predicate calculus with “undefined” as a truth value, Stanford Artificial Intelligence Project, Memo 1, 1963. [3] T. Nishimura and T. Ohya, The formal system for various 3-valued logics I, Science Reports of the Tokyo Kyoiku Daigaku, Section A, Vol. 13, No. 348 (1975), 7-22. [4] M. Takahashi, Many valued logics of extended Gentzen style, Science Reports of the Tokyo Kyoiku Daigaku, Section A, Vol. 9, No. 237 (1967), 271-292.
Date of correction: October 20, 2006Reason for correction: -Correction: PDF FILEDetails: -