World Logic Day Lecture: Dov Gabbay

Logic and argumentation for the 21st century

DATE:Saturday, January 14, 2023
TIME:17:00 CET
VENUE:zoom (register for free via eventbrite) or youtube

On 14 January 2023, we celebrate the international World Logic Day virtually with the Vienna Center for Logic and Algorithms (VCLA) at TU Wien and the Logic community from the city of Kurt Gödel, Ludwig Wittgenstein, and the Vienna Circle. 

UNESCO proclaimed World Logic Day in 2019 in association with the International Council for Philosophy and Human Sciences (CIPSH) to enhance public understanding of logic and its implications for science, technology and innovation. “In the twenty-first century – indeed, now more than ever – the discipline of logic is a particularly timely one, utterly vital to our societies and economies. Computer science and information and communications technology, for example, are rooted in logical and algorithmic reasoning.” — Audrey Azoulay, Director General of UNESCO

We are proud to announce that the 2023 virtual Vienna World Logic Day Lecture will be held by Dov Gabbay (King’s College London and University of Luxembourg).

Topic: Logic and argumentation for the 21st century

Venue: virtually via zoom (please register for free via eventbrite to officially attend the event and the Q&A session) or via livestream on our youtube channel


The reasoning patterns and technological advances in the 21st century used in artificial intelligence, social media, and political behavior present a challenge to current applied logic and argumentation.

The old logic has to adapt, evolve, or die.

This lecture will show (through a case study) how to adapt intuitionistic and classical logics to an algorithmic version capable of handling reasoning failures, fallacies, bias, alternative truth, and other problems.

We shall use a combination of technical tools developed in the past 40 years.

For more information please visit the website of Vienna World Logic Day at:

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