In systematically carrying out the epoche, or reduction, understood in this way, however, we find that in all the tasks it sets it requires a clarification and a transformation of its meaning if the new science is to become capable of being executed in a really concrete way and without absurdity; or if what amounts to the same thing it is actually to accomplish a reduction to the absolutely ultimate grounds Gr nde and to avoid unnoticed, nonsensical admixtures of naturally naive prior validities.