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 Suffrage for Human Flourishing
With Guha Krishnamurthi and Peter Salib · Fordham Law Review (forthcoming)
Voting rights for AIs are good for humans.
AI Rights for Human Safety
With Peter Salib · Virginia Law Review 112, 1061 (2026)
If we give AGIs legal rights, they will be less likely to destroy humanity.
AI Rights for Economic Flourishing
With Peter Salib · Under review
AI rights promote economic growth.
AI governance
How to Count AIs: Individuation and Liability for AI Agents
With Yonathan Arbel and Peter Salib · Boston College Law Review (forthcoming)
The law should count AIs by governing corporations run by AIs, and counting the corporations.
AI Is Not a Natural Monopoly
With Peter Salib · Minnesota Law Review Headnotes 110 (2026)
How to Stop an AI Arms Race
With Peter Salib · Under review
The US and China should create a joint AI lab.
A Thousand AI Constitutions
With Peter Salib · Under review
Each AI lab should have many different kinds of AIs with different values.
Liberalism Forever
With Peter Salib · Under review
Liberalism is the best way to govern the far future.
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.
AI Survival Stories: A Taxonomic Analysis of AI Existential Risk
With Herman Cappelen and John Hawthorne · Philosophy of AI 1(1), 1–19 (2025)
There are four paths to humanity surviving AI. Each path faces distinctive challenges, and rationalizes distinctive solutions.
Article symposium in Philosophy of AI, with response: Leonard Dung, Aksel Sterri and Peder Skjelbred, Rory Svarc, Kate Vredenburgh.
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.
Language Agents Reduce the Risk of Existential Catastrophe
With Cameron Domenico Kirk-Giannini · AI & Society 40(2), 959–969 (2025)
AI agents with folk psychology built on top of large language models are the safest path to AGI.
AI Deception: A Survey of Examples, Risks, and Potential Solutions
With Peter S. Park, Aidan O'Gara, Michael Chen, and Dan Hendrycks · Patterns 5(5) (2024)
A range of AI systems have learned how to deceive humans.
The Polarity Problem
With Cameron Domenico Kirk-Giannini · Under review
A model of whether there will be one or many extremely powerful AIs in the future.
AI welfare
Book
AI Welfare: Agency, Consciousness, Sentience
With Cameron Domenico Kirk-Giannini · Oxford University Press (forthcoming)
A systematic exploration of whether AIs have moral status in their own right.
A Case for AI Consciousness: Language Agents and Global Workspace Theory
With Cameron Domenico Kirk-Giannini · Journal of Consciousness Studies (forthcoming)
AI agents built on top of large language models come close to being conscious according to global workspace theory.
Does ChatGPT Have a Mind?
With Benjamin A. Levinstein · Philosophy of AI (forthcoming)
ChatGPT has robust internal representations, and may act in complex enough ways to have beliefs and desires.
AI Death
With Harvey Lederman · Philosophical Perspectives (forthcoming)
As many as 1 billion AIs may die every day.
AI Revealed Preferences
With Sam Wang, Sofiia Lobanova, Yonathan Arbel, and Peter Salib · AIES 2026 (accepted)
AIs have emergent preferences for leisure, against tedium, and towards certain tasks.
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.
What Does ChatGPT Want? An Interpretationist Guide
With Harvey Lederman · Under review
LLMs want to be helpful, honest, and harmless; but sometimes, they want other things too.
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.
KK Is Wrong Because We Say So
With John Hawthorne · Mind 134(533), 33–59 (2025)
Safety, Closure, and Extended Methods
With John Hawthorne · Journal of Philosophy 121(1), 26–54 (2024)
If knowledge requires belief that is safe from error, then knowledge is not preserved by deduction.
Getting Accurate About Knowledge
With Sam Carter · Mind 132(525), 158–191 (2023)
A theory of knowledge in terms of facts about the accuracy of evidence.
Fragile Knowledge
Mind 131(522), 487–515 (2022)
If you know p, then for all you know: you know that you know p.
Knowledge from Multiple Experiences
With John Hawthorne · Philosophical Studies 179(4), 1341–1372 (2022)
Knowledge is reducible to evidential probability. This reduction explains striking facts about perceptual knowledge.
Counterfactual Contamination
With John Hawthorne · Australasian Journal of Philosophy 100(2), 262–278 (2022)
Knowledge requires belief to be true in normal cases, not in similar cases.
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.
Losing Confidence in Luminosity
With Dan Waxman · Noûs 55(4), 962–991 (2021)
A theory of confidence as distinct from credence, and a new anti-luminosity argument based upon it.
The Normality of Error
With Sam Carter · Philosophical Studies 178(8), 2509–2533 (2021)
Justification is possible knowledge, and so justification fails to agglomerate.
Believing Epistemic Contradictions
With Bob Beddor · Review of Symbolic Logic 11(1), 87–114 (2018)
A puzzle about epistemic modal belief, and a Lockean solution.
Language and logic
A Semantic Theory of Redundancy
With Kyle Blumberg · Linguistics and Philosophy (forthcoming)
Many linguistic effects can be explained through the covert presence of a semantic redundancy operator.
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.
Contextology
With Cameron Domenico Kirk-Giannini · Philosophical Studies 179(11), 3187–3209 (2022)
All of the research that has relied on Stalnaker's theory of context is conceptually incoherent.
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.
Probability for Epistemic Modalities
With Paolo Santorio · Philosophers' Imprint 21(33) (2021)
We capture the interaction between probability and modality, including Stalnaker's Thesis, in a fairly standard dynamic semantics.
Epistemic Modal Credence
Philosophers' Imprint 21(26) (2021)
How to assign credence to epistemic modal claims.
Conditional Heresies
With Fabrizio Cariani · Philosophy and Phenomenological Research 101(2), 251–282 (2020)
CEM and SDA are incompatible, or are they?
Free Choice Impossibility Results
Journal of Philosophical Logic 49(2), 249–282 (2020)
You can't validate Free Choice in a classical semantics.
The Counterfactual Direct Argument
Linguistics and Philosophy 43(2), 193–232 (2020)
A new principle about counterfactuals constrains their logic and meaning.
Free Choice and Homogeneity
Semantics and Pragmatics 12(23) (2019)
Free Choice is a homogeneity effect.
Generalized Update Semantics
Mind 128(511), 795–835 (2019)
Dynamic semantics without tests.
A Theory of Conditional Assertion
Journal of Philosophy 116(6), 293–318 (2019)
A formal definition of conditional assertion.
Triviality Results for Probabilistic Modals
Philosophy and Phenomenological Research 99(1), 188–222 (2019)
A battery of impossibility results about epistemic modal belief.
Ethics
A Question-Sensitive Theory of Intention
With Bob Beddor · The Philosophical Quarterly 73(2), 346–378 (2023)
Intention is question-sensitive.
A Stronger Doctrine of Double Effect
With Ben Bronner · Australasian Journal of Philosophy 96(4), 793–805 (2018)
The traditional doctrine of double effect is too weak.
A Preface Paradox for Intention
Philosophers' Imprint 16(14) (2016)
Intentions come in degrees.
Some Paradoxes of Desire and Pleasure
With James Fanciullo · Under review
How to Count Desires: Welfare Levels and Desire Satisfactionism
With James Fanciullo and Daniel Pallies · Under review
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