He thus does not accept the principle of sufficient reason , rejects the distinction between essence and existence , and opposes the Thomistic doctrine of active and passive intellect .
For William of Ockham , the only truly necessary entity is God ; everything else is contingent .
William of Ockham thus does not accept the principle of sufficient reason , rejects the distinction between essence and existence , and opposes the Thomistic doctrine of active and passive intellect .
For William of Ockham , the only truly necessary entity is God ; everything else is contingent .