Eissa Haydar
Email: e[mylastname]@cmu.edu
I am a second-year PhD student in the Department of Philosophy at Carnegie Mellon University (CMU). I did my undergraduate studies at the University of Michigan (UofM), where I studied philosophy (graduating with highest honors) and pure mathematics, with a minor in computer science.
My CV will be linked here when I make one.
Academic Work
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Measuring the complexity of characterizing \([0, 1]\), \(S^1\), and \(\mathbb{R}\) up to homeomorphism (with Matthew Harrison-Trainor) This paper studies the complexity of topological spaces. Basically, given a computable presentation of a space like the unit interval or a circle, how difficult (in a precise, descriptive-set-theoretic sense) is it to know exactly which space you have? This work began during a summer 2023 REU, where Matthew was my mentor.
Submitted for publication. [ pdf ] [ arXiv ] -
Costly Invention Informs Compositional Signaling This paper studies the relationship between some models of compositionality and invention in signaling games which are interpreted as modeling the evolution of meaning.
Undergraduate honors thesis, advised by Jim Joyce. [available upon request]
Papers
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Invited comments on "Against a Contextualist Belief-First Theory of Credence" by Andrew Moon (2026 APA Eastern in Baltimore, MD)
[available upon request]
Presentations
Professional Experience
- Instructor for 80-210 Logic & Proofs (Summer One 2026; CMU)
- Teaching Assistant for 80-150 Nature of Reason (Spring 2025, 2026; CMU)
- Instructor for 80-100 Introduction to Philosophy (Summer Two 2025; CMU)
- Grader for 80-383/683 Language in Use (Fall 2024; CMU)
- Instructional Aide for CSE 543: Ethics for AI and Robotics (Winter 2024; UofM)