Over the past three decades, the issue of the relationship between divine omniscience and human freedom has been the subject of great debate. Inside it, were compared many authors and many “solutions”. One of these is the one that is inspired by Ockham’s thought. The author, therefore, aims to present the main theoretical nodes of this solution, following the development that it has had in the various publications about this question. The author also tries to show its limits, to make understandable the transition occurred within the debate, which led to the Molinist solution and then to the open theism.