Isaac Newton had a new approach to the existence of space and time that contradicted that of great philosophers such as Leibniz and Descates. Newton felt that space and time are infinite and independent of the body and mind, that the bodies and minds of the world existed in space and time and even without the presence of physical bodies there still would be space and time. He stated there "are positions in space and time which are independent of the material entities" that existed in them and that the principles of empty space and time are possible. In the Prolegomena, Immanuel Kant seems to have agreed in part with Newton's views of space and time and attempted to support Newton by presenting two forms of judgment that would maintain Newton's thesis, these being judgments of perception and judgments of experience.
Kant first described the ability of a judgment of perception to become a judgment of experience. Judgments of perception are our own purely individual perceptions of an object or feeling and may not be the same experience as that of another persons. He states that judgments of perception are merely subjective intuitions of an object and have no objective validity. He believed that judgments of perception "require no pure concept of understanding, but only the logical connection of perception in a thinking subject." Kant feels that for a judgment of perception to become a judgment of experience, the subjective observation of the object must be the same for all subjective perceptions thereby becoming universally true to all people, only then will the judgment becomes objectively valid and a pure concept and only then do we have an experiance.
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