What Is ‘Papal Infallibility?’

Daniel Ibañez
When Pope Pius IX declared the doctrine of the Immaculate Conception of the Virgin Mary on Dec. 8, 1854, he had a golden crown added to the mosaic of Mary, Virgin Immaculate, in the Chapel of the Choir in St. Peter’s Basilica.

‘Ineffabilis Deus,’ which proclaimed the dogma of the Immaculate Concenption, is among the papal pronouncements that theologians have long considered to be ‘infallible.’ But what does papal infallibility mean in the context and history of the Church?

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