Dictionary
A modern dictionary of Catholic terms, both common and obscure. Find accurate definitions of words and phrases.
A POSTERIORI
From what is after, that is, from effect back to cause. Reasoning from experience or inductively. Opposite of a priori. This is the only valid proof for the existence of God, from creatures as effects to the Creator as their First Cause.
All items in this dictionary are from Fr. John Hardon's Modern Catholic Dictionary, © Eternal Life. Used with permission.
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