University of Virginia Library

OCKHAM, William of (1285-1349):

English FRANCISCAN MONK who was the most important scholastic philosopher and interpreter of ARISTOTLE after AQUINAS. He is known for his radical NOMINALISM and agreement with the FRANCISCAN SPIRITUALS against the POPE for which was eventually excommunicated after a dispute about TRANSUBSTANTIATION. His maxim, known as OCKHAM'S RAZOR, states that "Entities are not to be multiplied without necessity," or, as he stated, "It is vain to do with more what can be done with fewer." The meaning of this is that things should be interpreted using the least number of assumptions or hypotheses.