Deduction with uncertain conditionals (revised & simplified, with examples)

Section 1 of this paper provides an introduction to this new “algebra of conditionals”, addresses various plausibility tests for such an algebra, provides a Venn diagram disproving a supposed counter-example, and answers various other objections raised in the literature about the efficacy of this al...

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Autor principal: Philip G. Calabrese
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Lenguaje:EN
Publicado: Elsevier 2021
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spelling oai:doaj.org-article:95c255960e064b059db47e0a1cb6b2502021-12-02T05:02:39ZDeduction with uncertain conditionals (revised & simplified, with examples)2405-844010.1016/j.heliyon.2021.e08328https://doaj.org/article/95c255960e064b059db47e0a1cb6b2502021-11-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2405844021024312https://doaj.org/toc/2405-8440Section 1 of this paper provides an introduction to this new “algebra of conditionals”, addresses various plausibility tests for such an algebra, provides a Venn diagram disproving a supposed counter-example, and answers various other objections raised in the literature about the efficacy of this algebraic extension of logic and conditional probability. Section 2 greatly simplifies the calculation of the implications of a set of conditional propositions or conditional events. These results depend on defining a deductive relation for conditionals (actually two have been found) with the property that the conjunction of two conditionals implies each of its components. That seemingly innocuous property assures that the deductively closed set implied by a finite set of n conditionals with respect to the deductive relation is implied by the single conditional formed by conjoining all n of them. The results are illustrated by solving several examples of deduction with several uncertain conditionals.Philip G. CalabreseElsevierarticleConditionalDeductionQuasi-conjunctionImplicationInferenceUncertaintyScience (General)Q1-390Social sciences (General)H1-99ENHeliyon, Vol 7, Iss 11, Pp e08328- (2021)
institution DOAJ
collection DOAJ
language EN
topic Conditional
Deduction
Quasi-conjunction
Implication
Inference
Uncertainty
Science (General)
Q1-390
Social sciences (General)
H1-99
spellingShingle Conditional
Deduction
Quasi-conjunction
Implication
Inference
Uncertainty
Science (General)
Q1-390
Social sciences (General)
H1-99
Philip G. Calabrese
Deduction with uncertain conditionals (revised & simplified, with examples)
description Section 1 of this paper provides an introduction to this new “algebra of conditionals”, addresses various plausibility tests for such an algebra, provides a Venn diagram disproving a supposed counter-example, and answers various other objections raised in the literature about the efficacy of this algebraic extension of logic and conditional probability. Section 2 greatly simplifies the calculation of the implications of a set of conditional propositions or conditional events. These results depend on defining a deductive relation for conditionals (actually two have been found) with the property that the conjunction of two conditionals implies each of its components. That seemingly innocuous property assures that the deductively closed set implied by a finite set of n conditionals with respect to the deductive relation is implied by the single conditional formed by conjoining all n of them. The results are illustrated by solving several examples of deduction with several uncertain conditionals.
format article
author Philip G. Calabrese
author_facet Philip G. Calabrese
author_sort Philip G. Calabrese
title Deduction with uncertain conditionals (revised & simplified, with examples)
title_short Deduction with uncertain conditionals (revised & simplified, with examples)
title_full Deduction with uncertain conditionals (revised & simplified, with examples)
title_fullStr Deduction with uncertain conditionals (revised & simplified, with examples)
title_full_unstemmed Deduction with uncertain conditionals (revised & simplified, with examples)
title_sort deduction with uncertain conditionals (revised & simplified, with examples)
publisher Elsevier
publishDate 2021
url https://doaj.org/article/95c255960e064b059db47e0a1cb6b250
work_keys_str_mv AT philipgcalabrese deductionwithuncertainconditionalsrevisedampsimplifiedwithexamples
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