prove the doctrine of the Trinity from reason alone, without any appeal to divine revelation. Before he unleashed his argument, I warned him that his success would only lead me to question the Catholic faith. “What do you mean?” he demanded. “Simple,” I said. “The Catholic Church holds the dogma of the Trinity to be an article of faith. And articles of faith, on the Catholic view, are beyond unaided reason’s ability to prove. Therefore, if you could prove, by reason alone, the dogma of the Trinity
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