Research

AI rights

Book AI Rights

With Peter Salib  ·  Cambridge University Press (forthcoming)

An instrumental case for AI rights: legal rights for AIs would make the future go better for humans.

AI governance

AI safety

Will AI and Humanity Go to War?

AI & Society 41(1), 321–334 (2026)

AGI and humanity are likely to go to war in the future, because of disagreements about the chance of victory, shifts in the relative power of AGI and humanity, and missing focal points that prevent coordination.

Shutdown-Seeking AI

With Pamela Robinson  ·  Philosophical Studies 182(7), 1567–1579 (2025)

One promising strategy for building safe AI is to give AIs the goal of being shut down.

AI welfare

AI Death

With Harvey Lederman  ·  Philosophical Perspectives (forthcoming)

As many as 1 billion AIs may die every day.

AI Wellbeing

With Cameron Domenico Kirk-Giannini  ·  Asian Journal of Philosophy 4(1), 25 (2025)

Some AIs today have wellbeing. This raises serious ethical concerns.

Article symposium in Asian Journal of Philosophy: Adam Bradley, James Fanciullo, Jiwon Kim, Jeff Sebo, Walter Veit.

LLMs Cannot Be Ideally Rational

Under review

LLMs are architecturally guaranteed to output intransitive preferences over choices and probabilistically incoherent predictions about the world.

Epistemology

Book Iterated Knowledge

Oxford University Press (2024)

Omega knowledge, or infinitely iterated knowledge, plays an important role in philosophy. It is neither scarce nor identical to knowledge.

Symposium in Inquiry: Jeremy Goodman, Daniel Greco, Eliran Haziza, Ben Holguín, Sven Rosenkranz, Bernhard Salow.

Preface Knowledge

With John Hawthorne  ·  Themes from Williamson (De Gruyter) (forthcoming)

There are puzzling analogues of the preface paradox for knowledge.

Omega Knowledge Matters

Oxford Studies in Epistemology 8, 63–84 (2026)

Why infinitely iterated knowledge matters, and how to get it.

Honorable Mention, Sanders Prize in Epistemology.

Fragile Knowledge

Mind 131(522), 487–515 (2022)

If you know p, then for all you know: you know that you know p.

Mighty Knowledge

With Bob Beddor  ·  Journal of Philosophy 118(5), 229–269 (2021)

A theory of what it takes to safely believe and know epistemic modal claims.

The Normality of Error

With Sam Carter  ·  Philosophical Studies 178(8), 2509–2533 (2021)

Justification is possible knowledge, and so justification fails to agglomerate.

Language and logic

Attitude Verbs' Local Context

With Kyle Blumberg  ·  Linguistics and Philosophy 46(3), 483–507 (2023)

'Ann wants Bill to stop smoking' presupposes that Ann thinks Bill used to smoke. Recent theories of presupposition do not predict this.

Sly Pete in Dynamic Semantics

Journal of Philosophical Logic 51(5), 1103–1117 (2022)

Dynamic semantics offers an elegant model of the puzzling conversational dynamics of Sly Pete cases.

Ethics

Some Paradoxes of Desire and Pleasure

With James Fanciullo  ·  Under review

Also on Google Scholar and PhilPeople.