Definition that contains lateran council
- fourth lateran council the Lateran Council in 1215 was the most important council of the Middle Ages; issued a creed against Albigensianism, published reformatory decrees, promulgated the doctrine of transubstantiation, and clarified church doctrine on the Trinity and Incarnation
- third lateran council the Lateran Council in 1179 that condemned the heresies of the Albigenses and the Waldenses
- arnold of brescia Italian theologian who censured the worldly possessions of monks and the temporal power of bishops and was condemned for dogmatic errors by the Second Lateran Council (early 12th century)