§ 10 Conclusion of the Transcendental Æsthetic
We have now completely before us one part of the solution of the grand general problem of transcendental philosophy, namely, the question: “How are synthetical propositions à priori possible?” That is to say, we have shown that we are in possession of pure à priori intuitions, namely, space and time, in which we find, when in a judgement à priori we pass out beyond the given conception, something which is not discoverable in that conception, but is certainly found à priori in the intuition which corresponds to the conception, and can be united synthetically with it. But the judgements which these pure intuitions enable us to make, never reach farther than to objects of the senses, and are valid only for objects of possible experience.