Which doctrine did Alexander VII's writings support?
Immaculate Conception
Transubstantiation
Papal infallibility
Original sin
Answer
In his theological writings, Alexander VII supported the doctrine of the Immaculate Conception, which states that the Virgin Mary was conceived without original sin. This doctrine was later defined as a dogma of the Catholic Church in 1854.
Unveiling the Papal Secrets: The Intriguing Life of Pope Alexander VII