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Latest Book

Knowledge and the Norm of Assertion

An Essay in Philosophical Science

woman talking
She knows what she's talking about.

Awesome Collaborators

Ori Friedman

Psychologist
Ori Friedman

As director of the Child Cognition Lab, Ori has made important discoveries about how we reason about ownership and other people’s minds.

Ori

Angelo Turri

Mathematician
Angelo Turri

An aspiring mathematician, Angelo has done novel experimental work on lying and set a record by publishing in a major science journal at age fourteen.

Angelo

Wesley Buckwalter

Philosopher
Wesley Buckwalter

One of the most accomplished young philosophers working today, Wesley has made breakthrough conceptual discoveries about knowledge and morality.

Wesley

Angelo Turri

Mathematician

An aspiring mathematician, Angelo has done novel experimental work on lying and set a record by publishing in a major science journal at age fourteen.

Ori Friedman

Psychologist

As director of the Child Cognition Lab, Ori has made important discoveries about how we reason about ownership and other people’s minds.

Wesley Buckwalter

Philosopher

One of the most accomplished young philosophers working today, Wesley has made breakthrough conceptual discoveries about knowledge and morality.

Cool Findings

(that replicate)

The Untruth Effect

pinocchio
Falsity is essential to lying.

Excuse Validation

broken ruler
How to break a rule without “breaking” it.

Ought Exceeds Can

wheelchair at sea
Morality doesn't discriminate.

Exceptionalist Naturalism

raccoon on ledge
Yes, we (think we) can.

Successful Students

Sara Weaver

PhD
Sara Weaver

Sara earned her PhD in Philosophy from the University of Waterloo. During her studies, she published research on personal identity and character traits.

Sara

Ashley Keefner

PhD
Ashley Keefner

Ashley earned her PhD in Philosophy and Cognitive Science from the University of Waterloo. During her studies, she published research on mindreading in humans and birds.

Ashley

Peter Blouw

PhD
Peter Blouw

Peter earned his PhD in Philosophy and Theoretical Neuroscience from the University of Waterloo. During his studies, he published research on knowledge, rules, and concepts.

Peter

Sara Weaver

PhD

Sara earned her PhD in Philosophy from the University of Waterloo. During her studies, she published research on personal identity and character traits.

Peter Blouw

PhD

Peter earned his PhD in Philosophy and Theoretical Neuroscience from the University of Waterloo. During his studies, he published research on knowledge, rules, and concepts.

Ashley Keefner

PhD

Ashley earned her PhD in Philosophy and Cognitive Science from the University of Waterloo. During her studies, she published research on mindreading in humans and birds.

Recent Papers

korean child

Knowledge and Assertion in Korean

Language

Knowledge is a central norm of assertion in Korean too.

walt and jesse

Moderate Scientism in Philosophy

Cognition

Yo, science! Philosophy needs your help. Badly.

bi-location

Personal Identity and Persisting as Many

Metaphysics

Two places. One time. No Problem.

two angels

Choosing and Refusing

Mind

It is conceptually possible to form beliefs at will.

life preserver

How "Ought" Exceeds but Implies "Can"

Ethics

The “ought implies can” principle is false but reflects something true about moral language.

a pair of figures

Virtue Epistemology and Abilism on Knowledge

Cognition

One of these theories is demonstrably better, and it doesn’t begin with “V”.