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Quasi-formal deductive system for fuzzy propositional calculus

✍ Scribed by Guojun Wang

Publisher
Springer
Year
1997
Tongue
English
Weight
259 KB
Volume
42
Category
Article
ISSN
1001-6538

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We propose a new schema for the deduction theorem and prove that the deductive system S of a propositional logic L fulfills the proposed schema if and only if there exists a finite set A(p, q) of propositional formulae involving only propositional letters p and q such that A(p, p) C\_ L and p, A(p,