ILLC-LIRa May 2023

illc-lira@list.uva.nl

1 participants
3 discussions

LIRa session: Niccolò Rossi (tomorrow, Thursday, 25 May 16:30)
by LIRa Seminar 24 May '23

24 May '23

Dear all, We will have our next LIRa session tomorrow, on Thursday, 25 May 16:30. This will be a hybrid session. If you want to attend online, please use our recurring zoom link: https://uva-live.zoom.us/j/89230639823?pwd=YWJuSnJmTDhXcWhmd1ZkeG5zb0o5UT09 (Meeting ID: 892 3063 9823, Passcode: 421723) You can find the details of the talk below. Speaker: Niccolò Rossi (ILLC, University of Amsterdam) Date and Time: Thursday, May 25th 2023, 16:30-18:00 Venue: ILLC seminar room F3.20 in Science Park 107 and online. Title: Disjunctions, topics and grounds Abstract. If Andrea knows that Biden won the last presidential election, they also know that either Biden won the last presidential election, or Biden is a reptilian. This is the response that epistemic logics based on standard Kripke relational semantics provide, which is consistent with the fact that minimally rational agents can perform disjunction introduction. This is not the case in topic-sensitive semantics though. Andrea might not grasp the concept of 'reptilian', and therefore not be able to know any proposition dealing with reptilians. I argue that this requirement is too strong. I keep the idea that topic-grasping is crucial for knowledge, but I weaken the requirement: only grasping some 'minimal topics' of a proposition is needed. I use a theory of logical grounding (Correia, 2014) in order to define which are the minimal grounds of a proposition and define a minimal topic as the topic of a minimal ground. Once this is done, I propose a semantic clause for knowledge that maintains the good features of topic-sensitive semantics while improving its treatment of disjunction. Doing so, I exploit the concept of logical grounding in order to define the minimal parts of a proposition which are relevant truth-wise and topic-wise for the knowledge of such a proposition. Hope to see you there! The LIRa team

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LIRa session: Niccolò Rossi (Thursday, 25 May 16:30)
by LIRa Seminar 19 May '23

19 May '23

Dear all, We will have our next LIRa session on Thursday, 25 May 16:30. This will be a hybrid session. If you want to attend online, please use our recurring zoom link: https://uva-live.zoom.us/j/89230639823?pwd=YWJuSnJmTDhXcWhmd1ZkeG5zb0o5UT09 (Meeting ID: 892 3063 9823, Passcode: 421723) You can find the details of the talk below. Speaker: Niccolò Rossi (ILLC, University of Amsterdam) Date and Time: Thursday, May 25th 2023, 16:30-18:00 Venue: ILLC seminar room F3.20 in Science Park 107 and online. Title: Disjunctions, topics and grounds Abstract. If Andrea knows that Biden won the last presidential election, they also know that either Biden won the last presidential election, or Biden is a reptilian. This is the response that epistemic logics based on standard Kripke relational semantics provide, which is consistent with the fact that minimally rational agents can perform disjunction introduction. This is not the case in topic-sensitive semantics though. Andrea might not grasp the concept of 'reptilian', and therefore not be able to know any proposition dealing with reptilians. I argue that this requirement is too strong. I keep the idea that topic-grasping is crucial for knowledge, but I weaken the requirement: only grasping some 'minimal topics' of a proposition is needed. I use a theory of logical grounding (Correia, 2014) in order to define which are the minimal grounds of a proposition and define a minimal topic as the topic of a minimal ground. Once this is done, I propose a semantic clause for knowledge that maintains the good features of topic-sensitive semantics while improving its treatment of disjunction. Doing so, I exploit the concept of logical grounding in order to define the minimal parts of a proposition which are relevant truth-wise and topic-wise for the knowledge of such a proposition. Hope to see you there! The LIRa team

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LIRa-related event: Reasoning about Responsible Agency in AI (Tuesday 16 May - please register TODAY)
by LIRa Seminar 08 May '23

08 May '23

Dear all, There will be no LIRa session this and next week, but we would like to draw your attention to the following LIRa-related event: *Reasoning about Responsible Agency in AI* As they become increasingly integrated into our lives, autonomous systems are used to execute more and more tasks that have both normative and epistemic relevance. This has led to a growing literature in machine ethics aiming at addressing the question of how to build autonomous systems that can, first, acquire and properly reason about normative and observational information, and, second, use this information to interact with other agents and the environment in a way that is responsible and, at the same time, explainable. The goal of this workshop is to bring together philosophers, logicians, and computer scientists in order to explore these topics from an interdisciplinary perspective. The workshop is associated with the project Responsible Artificial Agency: A Logical Perspective, funded by the RPA Human(e) AI University of Amsterdam. Date: 16 and 17 May 2023 Venue: Doelenzaal (C0.07) in Amsterdam University Library, Singel 425, 1012 WP Amsterdam NOTE: please REGISTER TODAY if you are planning to attend on location Registration: free of charge but required, use this form: https://forms.gle/yF89isYT9ahRM3B26 For all further information, see the workshop website at https://sites.google.com/view/reasoningaboutresponsibility Hope to see you there! The LIRa team

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ILLC-LIRa May 2023