• His teachings are preserved in a Commentary on the Sentences of Peter Lombard, glosses on Aristotelian texts, and disputations about various subjects

Importance

• Most distinguished Oxford scholar

• Held to priority of the will over the intellect

• Contributed to Roman Catholic view of the Immaculate Conception

• Believed in possible worlds

• Said God’s attributes not provable by reason

• Known as the ‘subtle doctor’

• The term “dunce” comes from him and was invented by his detractors

• Opposed Aquinas on almost every point