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I'm a researcher in the Logic of Conceivability project at the Institute for Logic, Language and Computation at the University of Amsterdam. I defended my Ph.D in January 2017 at the Stanford department of philosophy. My advisors were Johan van Benthem and Krista Lawlor.

I work on epistemology, logic, and related topics on mind, language and rationality. My research explores the interaction between knowledge, meaning and modality: Google Scholar, Philpapers, Academia.

I'm from South Africa. I studied mathematics and, later, philosophy at University of the Witwatersrand.

Reach me at: p DOT m DOT hawke AT uva DOT nl

Knowledge and Knowability

Knowability Relative to Information

With Franz Berto. Mind. Forthcoming.

Questions, Topics and Restricted Closure

Philosophical Studies 173 (10). 2016.

The Problem of Epistemic Relevance

PhD Dissertation, Stanford University

Subject Matter and Aboutness

Theories of Aboutness

Australasian Journal of Philosophy 96 (4). 2018.

Modal Discourse

Informational Dynamics of Epistemic Possibility Modals

With Shane Steinert-Threlkeld. Synthese. Forthcoming.

Epistemology of Modality

Van Inwagen’s Modal Skepticism

Philosophical Studies 153 (3). 2011.

Can Modal Skepticism Defeat Humean Skepticism?

Modal Epistemology After Rationalism, ed. Fischer and Leon, Synthese Library. 2017 [Draft]

Strategic Ability and Information

The Logic of Joint Ability in Two-Player Tacit Games

The Review of Symbolic Logic 10 (3). 2017.

Markov Operators On Banach Lattices

Markov Operators on Banach Lattices

M.Sc Dissertation, University of the Witwatersrand, Johannesburg.