ILLC-LIRa May 2024

illc-lira@list.uva.nl

1 participants
4 discussions

LIRa Session: Adam Bjorndahl (tomorrow, Thursday, 30 May 16:30)
by LIRa Seminar 29 May '24

29 May '24

Dear all, We will have our next LIRa session tomorrow, on Thursday, 30 May 16:30. 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: Adam Bjorndahl (Carnegie Mellon University) Date and Time: Thursday, 30th May, 2024, 16:30-18:00 Venue: ILLC seminar room F1.15 in Science Park 107 and online. Title: Belief and Causation Abstract: We develop a formal framework for reasoning simultaneously about belief and causation. There is a long and rich history of mathematical models for these concepts, yet no work we are aware of that fully integrates the two. The combined model we propose is of interest from at least two perspectives. First, it allows us to represent beliefs about causal structure — for example, an agent who believes (perhaps falsely) that raising interest rates will cause inflation to cool. Second, it allows us to encode potential causal relationships involving beliefs — for example, an agent whose belief that it rained last night is a causal consequence of their lawn being wet. Notably, we can also capture potential causal relationships between beliefs — for instance, an agent whose belief in p is a causal consequence of their belief in q. This framework therefore allows us to deploy the machinery of causal models to implement a kind of belief revision, such as an agent who learns q thereby coming to believe p, where "learns q" in this context takes the form of a (causal) intervention setting the "variable" Bq to true. This is joint work(-in-progress) with Joseph Halpern. Hope to see you there! The LIRa team

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LIRa Session: Adam Bjorndahl (Thursday, 30 May 16:30)
by LIRa Seminar 24 May '24

24 May '24

Dear all, We will have our next LIRa session on Thursday, 30 May 16:30. 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: Adam Bjorndahl (Carnegie Mellon University) Date and Time: Thursday, 30th May, 2024, 16:30-18:00 Venue: ILLC seminar room F1.15 in Science Park 107 and online. Title: Belief and Causation Abstract: We develop a formal framework for reasoning simultaneously about belief and causation. There is a long and rich history of mathematical models for these concepts, yet no work we are aware of that fully integrates the two. The combined model we propose is of interest from at least two perspectives. First, it allows us to represent beliefs about causal structure — for example, an agent who believes (perhaps falsely) that raising interest rates will cause inflation to cool. Second, it allows us to encode potential causal relationships involving beliefs — for example, an agent whose belief that it rained last night is a causal consequence of their lawn being wet. Notably, we can also capture potential causal relationships between beliefs — for instance, an agent whose belief in p is a causal consequence of their belief in q. This framework therefore allows us to deploy the machinery of causal models to implement a kind of belief revision, such as an agent who learns q thereby coming to believe p, where "learns q" in this context takes the form of a (causal) intervention setting the "variable" Bq to true. This is joint work(-in-progress) with Joseph Halpern. Hope to see you there! The LIRa team

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LIRa session: Francisca Silva (tomorrow, Thursday, 16 May 16:30, online ONLY)
by LIRa Seminar 15 May '24

15 May '24

Dear all, We will have our next LIRa session tomorrow, on Thursday, 16 May 16:30. This session will be only online, not on location. To attend, 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: Francisca Silva (University of St Andrews) Date and Time: Thursday, May 16th 2024, 16:30-18:00 Venue: online only Title: Epistemic Logic with Partial Grasp Abstract. In this talk I'll argue that we have to gain in recognizing in our epistemic logics with subject matters a relation between agents and the parts of subject matters that play a role in agents' cognitive lives. I call this relation "grasping". I zone in on one notion of having a partial grasp of a subject matter -- that of agents grasping part of the subject matter that they are attending to -- and characterize it. I propose that giving up the idealization that we fully grasp the subject matters we attend to allows one to more realistically characterize the epistemic life of agents. To show this, I propose an epistemic logic with partial grasp that has in mind considerations from extensions of subject matter theory to the first-order case with the aim of avoiding certain forms of logical omniscience, and which provides an alternative to immanent closure (Yablo, 2014). Hope to see you there! The LIRa team

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LIRa session: Francisca Silva (Thursday, 16 May 16:30)
by LIRa Seminar 10 May '24

10 May '24

Dear all, We will have our next LIRa session on Thursday, 16 May 16:30. 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: Francisca Silva (University of St Andrews) Date and Time: Thursday, May 16th 2024, 16:30-18:00 Venue: online only Title and abstract are not available yet - we will provide as soon as possible. Hope to see you there! The LIRa team

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ILLC-LIRa May 2024