Results 41 to 50 of about 17,271 (293)

Labelled Natural Deduction for Public Announcement Logic with Common Knowledge

open access: yesMathematics, 2020
Public announcement logic is a logic that studies epistemic updates. In this paper, we propose a sound and complete labelled natural deduction system for public announcement logic with the common knowledge operator (PAC). The completeness of the proposed
Muhammad Farhan Mohd Nasir   +2 more
doaj   +1 more source

A quick proof of the regularity of the flow of analytic vector fields

open access: yesComptes Rendus. Mathématique, 2021
We offer a new and elementary proof of the convergence of the Lie series giving the flow of an analytic vector field as well as a natural deduction of such series.
Carrillo, Sergio A.
doaj   +1 more source

Elementary Deduction Problem for Locally Stable Theories with Normal Forms [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2013
We present an algorithm to decide the intruder deduction problem (IDP) for a class of locally stable theories enriched with normal forms. Our result relies on a new and efficient algorithm to solve a restricted case of higher-order associative ...
Mauricio Ayala-Rincón   +2 more
doaj   +1 more source

Studying Aristotelian Syllogism according to Implicative and Conductive Accounts [PDF]

open access: yesJournal of Philosophical Investigations, 2023
Aristotelian Logic, the oldest system of reasoning, has always been come into focus. The Syllogism as the focal issue amid Aristotle’s logic has caused many controversial discussions.
Hamideh Bahmanpour   +2 more
doaj   +1 more source

The scientific method of Sir William Petty

open access: yesErasmus Journal for Philosophy and Economics, 2011
An understanding of the precise nature of the scientific method of Sir William Petty has proved elusive to historians of economic thought, in no small part because of a lack of Petty's own characterization of his scientific approach.
James H. Ullmer
doaj   +1 more source

Harmonising natural deduction [PDF]

open access: yesSynthese, 2007
Prawitz proved a theorem, formalising ‘harmony’ in Natural Deduction systems, which showed that, corresponding to any deduction there is one to the same effect but in which no formula occurrence is both the consequence of an application of an introduction rule and major premise of an application of the related elimination rule.
openaire   +1 more source

Cut-elimination and Normalization Theorems for Connexive Logics over Wansing’s C

open access: yesBulletin of the Section of Logic
Gentzen-style sequent calculi and Gentzen-style natural deduction systems are introduced for a family (C-family) of connexive logics over Wansing’s basic constructive connexive logic C.
Norihiro Kamide
doaj   +1 more source

Classical Proofs as Parallel Programs [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2018
We introduce a first proofs-as-parallel-programs correspondence for classical logic. We define a parallel and more powerful extension of the simply typed lambda calculus corresponding to an analytic natural deduction based on the excluded middle law. The
Federico Aschieri   +2 more
doaj   +1 more source

A Functional (Monadic) Second-Order Theory of Infinite Trees [PDF]

open access: yesLogical Methods in Computer Science, 2020
This paper presents a complete axiomatization of Monadic Second-Order Logic (MSO) over infinite trees. MSO on infinite trees is a rich system, and its decidability ("Rabin's Tree Theorem") is one of the most powerful known results concerning the ...
Anupam Das, Colin Riba
doaj   +1 more source

Application of natural deduction in Renaissance geometry [PDF]

open access: yesArgument, 2014
My goal here is to provide a detailed analysis of the methods of inference that are employed in De prospectiva pingendi. For this purpose, a method of natural deduction is proposed.
Ryszadr Mirek
doaj  

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