
History of Philosophy Without Any Gaps HoP 486 Friends of the Truth: Arnauld and Jansenism
Feb 8, 2026
A deep dive into Antoine Arnauld’s mix of Cartesian philosophy and Jansenist theology. Explores Jansenism’s Augustinian roots and clashes with Jesuit Molinism. Tracks Port-Royal’s austere practices, Pascal’s defenses, and royal suppression. Examines Arnauld’s worries about Cartesian doubt, his views on free will and grace, and his lasting influence as a logician.
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Grace Over Human Merit
- Jansenism emphasized Augustine's teaching that salvation depends on efficacious divine grace rather than human merit.
- The movement opposed Molinist Jesuit views that gave humans a significant role in meriting salvation.
Port-Royal Family Roots
- Arnauld's family background tied him to anti-Jesuit polemics and Port-Royal's ascetic culture.
- His sisters Angelique and Agnes became leading figures at Port-Royal, shaping its inward spirituality.
Authority Over Scholastic Reason
- Jansenists distrusted scholastic reliance on pagan philosophy and preferred scripture and Church Fathers.
- They argued theology must rest on transmitted authority, not natural reason's speculative methods.



