a. (UN-1 7.)
180212. Bentham, Ration. Judic. Evid. (1827), IV. 539. In causes non-criminal, obligatory at one stage, unobligatory at another.
1857. W. R. Greg, Creed Christendom, xiv. 208. If investigation shows the miracles of the Bible to be unobligatory upon our belief.