منابع مشابه
Naive Modus Ponens
In his [2011], Lionel Shapiro proposes a very interesting deflationist conception of logical consequence, according to which the logical-consequence predicate applying to sentences serves as a merely expressive device allowing us to talk in a generalising way about typically non-linguistic entailment facts (just as, according to a deflationist conception of truth, the truth predicate applying t...
متن کاملOn the joint verification of Modus Ponens and Modus Tollens in fuzzy logic
This paper deals with the joint verification of the inequalities of Modus Ponens and Modus Tollens in Fuzzy Logic. Although the case of Modus Ponens was partially considered before, the case of Modus Tollens and the joint satisfaction of both inequalities are studied by the first time. The cases of R-implications, Simplications, Q-implications and MamdaniLarsen implications are separatedly cons...
متن کاملA Generalized Probabilistic Version of Modus Ponens
Modus ponens (from A and “if A then C” infer C; short: MP) is one of the most basic inference rules. The probabilistic MP allows for managing uncertainty by transmitting assigned uncertainties from the premises to the conclusion (i.e., from P (A) and P (C|A) infer P (C)). In this paper, we generalize the probabilistic MP by replacing A by the conditional event A|H . The resulting inference rule...
متن کاملAre Some Modus Ponens Arguments Deductively Invalid?
This article concerns the structure of defeasible arguments like: 'if Bob has red spots, Bob has the measles; Bob has red spots; therefore Bob has the measles.' The issue is whether such arguments have the form of modus ponens or not. Either way there is a problem. If they don't have the form of modus ponens, the common opinion to the contrary taught in leading logic textbooks is wrong. But if ...
متن کاملInstability, Modus Ponens and Uncertainty of Deduction
Considering the instability of nonlinear dynamics, the deductive inference rule Modus ponens itself is not enough to guarantee the validness of reasoning sequence in the real physical world, and from similar cause cannot gain similar result. Some kind of stability hypothesis should be added in order to draw meaningful conclusion. So the uncertainty of deductive inference appears the same as tha...
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ژورنال
عنوان ژورنال: Journal of Japan Society for Fuzzy Theory and Intelligent Informatics
سال: 2020
ISSN: 1347-7986,1881-7203
DOI: 10.3156/jsoft.32.5_866