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Political Theory Institute

“The beliefs which we have the most warrant for have no safeguard, but a standing invitation to the whole world to prove them unfounded." – John Stuart Mill

Welcome to PTI

The mission of the Political Theory Institute (PTI) is to encourage the serious study of the great questions of political theory and to bring the insights of political theorists to bear on current issues and events.
Mission Statement

Understanding How the Prison Population Rises as Crime Falls


Understanding How the Prison Population Rises as Crime Falls

The SPA Political Theory Institute kicked off its spring semester lecture series recently with a presentation by John Pfaff, author of “Locked In: The True Causes of Mass Incarceration and How to Achieve Real Reform."

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What's New at PTI

video excerpts from recent event

Top 10 Reasons Not to Silence Speech

The Role of Free Speech in the Gay Rights Struggle

potential paths

On Campus ·

New Class Shows Potential Paths for Political Theory Majors

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Vickie Sullivan, "Montesquieu and the Despotic Ideas of Europe: Machiavelli"


Event Videos

  • Hume's Case for Commerce

  • Free Speech and Minorities

  • Debate on Economic Inequality