The objective reality of a pure will, or, what is the same thing, of a pure practical reason, is given in the moral law a priori, as it were, by a fact, for so we may name a determination of the will which is inevitable, although it does not rest on empirical principles.
Nahimen huts baten errealitate objektiboa, edo, gauza bera dena, arrazoimen praktiko hutsarena, lege moralean dugu a priori hain zuzen egitate baten bidez; izan ere, horrela dei dakioke printzipio enpirikoetan oinarritzen ez bada ere ezinbestekoa den nahimenaren determinazio bati.