Catholic Culture Solidarity
Catholic Culture Solidarity

Catholic Dictionary

Find accurate definitions of over 5,000 Catholic terms and phrases (including abbreviations). Based on Fr. John Hardon's Modern Catholic Dictionary, © Eternal Life. Used with permission.

Your Term:

DEMONSTRATION, A PRIORI

Legitimate reasoning from evident premises. The argument therefore goes from something prior in nature or in time to the being in the conclusion, e.g., from cause to effect, from the nature of something to any of its properties.

Start over.