He must DO a thing, leave it undemonstrated; once done, it will itself tell what kind of thing it is, by and by.
It is undemonstrated and unproved—in fact, may truthfully be said to be undemonstrable and unprovable.
Christianity is too important a fact in the world's history to be set aside by an undemonstrated hypothesis.
Pamela, don't you know that undemonstrated human calculations won't do to bet on?
But that all of us are going downward, or most of us, is not a provable contention and should not be an undemonstrated inference.