Dynamic Term-Modal Logic for Epistemic Social Network Dynamics

Andrés Occhipinti Liberman*, Rasmus K. Rendsvig

*Corresponding author for this work

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Logics for social networks have been studied in recent literature. This paper presents a framework based on dynamic term-modal logic ((formula presented)), a quantified variant of dynamic epistemic logic ((formula presented)). In contrast with (formula presented) where it is commonly known to whom agent names refer, (formula presented) can represent dynamics with uncertainty about agent identity. We exemplify dynamics where such uncertainty and de re/de dicto distinctions are key to social network epistemics. Technically, we show that (formula presented) semantics can represent a popular class of hybrid logic epistemic social network models. We also show that (formula presented) can encode previously discussed dynamics for which finding a complete logic was left open. As complete reduction axioms systems exist for (formula presented), this yields a complete system for the dynamics in question.

Original languageEnglish
Title of host publicationProceedings of 7th International Workshop on Logic, Rationality, and Interaction
EditorsPatrick Blackburn, Emiliano Lorini, Meiyun Guo
Number of pages15
Publication date1 Jan 2019
ISBN (Print)9783662602911
Publication statusPublished - 1 Jan 2019
Event7th International Workshop on Logic, Rationality, and Interaction - Chongqing, China
Duration: 18 Oct 201921 Oct 2019
Conference number: 7


Conference7th International Workshop on Logic, Rationality, and Interaction
Internet address
SeriesLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume11813 LNCS


  • Dynamic epistemic logic
  • Social networks
  • Term-modal logic


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