Sentence examples similar to tenable abstract from inspiring English sources

According to Balaguer and Zalta, on the other hand, the only versions of Platonism that are tenable are those that maintain not just the existence of abstract objects but the existence of as many abstract objects as there can possibly be.

But there are reasons for thinking that neither the physicalist nor the conceptualist approach is tenable and that the only plausible way to interpret linguistic theory is as being about sentence types, which of course, are abstract objects (proponents of the platonistic view include Katz (1981), Soames (1985), and Langendoen and Postal (1985)).

Which solutions are tenable?

But is it tenable?

Is the distinction tenable?

This is no longer tenable.

His position is not tenable.

But the prospect seems tenable.

The first ground obviously is not tenable.

It was, he argued, not "morally tenable".

Is that really tenable, fifty years on?