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Logic Research Group

The Logic Research Group is a group of researchers from the Department of Philosophy at the University of Maryland working in logic and related areas. We have special interests in logic and artificial intelligence, modal logics of all kinds (including logics of action, epistemic logics, and deontic logics), conditionals, vagueness, decision theory, game theory, social choice theory, and relations among logic, semantics, and the philosophy of language.

Meetings

Fall 2025 Logic Group: Mondays, 10am - 11:30pm in Skinner 1115.

Contact Eric Pacuit (epacuit@umd.edu) to join the email list for these meetings.

  • September 15: Eric will give a talk about algorithmic fairness and opinion pooling focused on the paper https://www.rushstewart.com/s/Diving_into_Fair_Pools.pdf by Lee Elkin and Rush Stewart.
  • September 22: Bo will give a talk about work-in-progress “Agents’ Priors and Dynamic Networks: Two Approaches to Enhancing Group Learning”.
  • September 29: Yunhui will give a talk about epistemic modals.
  • October 6: Xu will give a talk about work-in-progress.
  • October 10-11: Formal Approaches to Rationality and Meaning workshop
  • October 13: No seminar - Fall Break

    Previous Meetings

Spring 2025

  • January 12: Eric will give an introduction to Agreement Theorems focusing on the paper Agreeing to Disagree and Dilation.
  • January 19: Leo will present joint work with Eric on generalizations of common $p$-belief and agreement theorems, focusing on the paper Approximating Common Knowledge.
  • January 26: No seminar - Eric is away at a AAAI presenting the paper Learning to Manipulate under Limited Information.
  • March 6: Leo will continue is his presentation on joint work with Eric on generalizations of common $p$-belief and agreement theorems.
  • March 13: Chenhao will give a talk on work in progress about (In)Decisive Modal Knowledge.
  • March 20: No talk - Spring Break
  • March 27: Eric will give the talk about his work “Learning to Manipulate under Limited Information”
  • April 3: No seminar - Spring Break
  • April 10: Chenhao will finish his talk about his work-in-progress on (In)Decisive Modal Knowledge.
  • April 17: Bo will give a talk about his paper “Maximum Entropy and Bayesian Conditioning Under Extended Spaces”.
  • April 24: Lorenzo Rossi give a talk “Truth and Quantification”.
  • May 1: Ilaria will give a talk about Deliberation and Aggregation.
  • May 8: Paul will give a talk on his paprer “A Logic of Sattestation”

Fall 2024

Spring 2024

  • May 1: No Seminar - There is a VCAI tutorial: How to use the Open AI API to programmatically prompt ChatGPT
  • April 24: Lorenzo Rossi will give a talk: Truth and Quantification.
  • April 17: Justin will continue his talk about natural logic.
  • April 10: Justin will give a talk about natural logic.
  • April 3: Steve will give a talk about his work-in-progress text on logic.
  • March 27: Fabrizio will speak about his work on branching-time logic and possibility semantics.
  • March 20: No meeting - Spring Break.
  • March 13: Ilaria will give a talk about her work in progress on dimensions in normative reasoning.
  • March 6: Bo will give a presentation on his paper “Comparing Solutions to the Judy Benjamin Problem”.
  • February 28: Eric will discuss work-in-progress about measuring the strength of majority preference in elections in which voters may submit ties and/or incomplete ballots.
  • February 21: Eric will discuss his paper Learning to Manipulate under Limited Information.

Fall 2023

  • December 20: Justin will lead the discussion of Chapter 4 of Thomas Icard’s book Resource Rationality.
  • December 13: Eric will lead the discussion of Chapter 3 of Thomas Icard’s book Resource Rationality.
  • December 6: No meeting - Eric away at a conference
  • November 29: Fabrizio will continue his discussion of Chapter 2 of Thomas Icard’s book Resource Rationality.
  • November 22: No meeting - Thanksgiving break
  • November 15: Fabrizio will lead the discussion of Chapter 2 of Thomas Icard’s book Resource Rationality.
  • November 8: Bo will present his work on a model of deliberation
  • November 1: Eric will continue his discussion of a recent paper by Johan van Benthem on conditionals and public announcement logic.
  • October 31: Eric will introduce public announcement logic and discuss a recent paper by Johan van Benthem on conditionals and public announcement logic.
  • October 25: Ilaria will continue her talk about the role of intermediate factors
  • October 18: Ilaria will speak about her work on the role of intermediate factors.
  • October 11: No meeting, Eric is away at a conference
  • October 4: Eric will speak about his paper on an axiomatization of Split Cycle
  • September 27: Bo will present his paper on the Judy Benjamin problem
  • September 20: Masayuki will continue his presentation on logics with implicit and explicit belief.
  • September 13: Masayuki will present some of the work he has been doing developing a logic of belief with misunderstanding and how it relates to logics with unawareness operators

Spring 2023

Fall 2022