The Antimony of the Conditioned and the Unconditioned. The antinomy of the conditioned and the unconditioned leads us along similar lines. Every individual finite thing or event is dependent on its causes and conditions, which precede it or co-exist in inter-relation with it. It is conditioned, and is only possible through its conditions. But that implies that it can only occur or be granted when all its conditions are first given in complete synthesis. If any one of them failed, it would not have come about. But every one of its conditioning circumstances is in its turn conditioned by innumerable others, and every one of these again by others, and so on into the infinite, backwards and on all sides, so that here again something without end and incapable of end must have come to an end, and must be thought of as having an end, before any event whatever can really come to pass. But this again is a sheer impossibility for our thinking: we require and must demand something completed, because now is really now, and something happens now, and yet in the world as it appears to us we are always forced to face what cannot have an end. The Antimony of Our Conception of Space. To bring our examples to a conclusion, we find the same sort of antinomy in regard to space, and the world as it is extended in space. Here, too, it becomes apparent that space as we imagine it, and as we carry it with us as a concept for arranging our sense-impressions, cannot correspond to the true reality. As in regard to time, so also in regard to space, we can never after any distance however enormous come to a halt and say, “Here is the end of space.” Whether we think of the diameter of the earth’s orbit or the distance to Sirius, and multiply them by a million we always ask, “What lies behind?” and so extend space into the infinite. And as a matter of course we people it also without end with heavenly bodies, stars, nebulae, Milky Ways and the like. For here again there can be no obvious reason why space in our neighbourhood should be filled, while space at a greater distance should be thought of as empty. Therefore we actually think of star beyond star, and, as far as we can reckon, stars beyond that without end. For space extends not merely so far, but always farther. And the number of the stars is not so many, but always one more. This sounds quite obvious, but it has exactly the same impossibility as we found in our “past infinity.” For although we are carried by our conceptions into the infinite, and to what never could have an end, it is impossible to assume the same of reality.