There are value judgments that are not reducible to observable matters of fact, and there are oughts that cannot be construed as hypothetical and, therefore, cannot be converted into statements of fact.

Is there a fallacy involved in deriving an ought from a set of exclusively factual or descriptive premises?

Is it a small benefit, that I am placed there […] where I see no drunken comessations, no rebellious routs, no violent oppressions, no obscene rejoicings, nor ought else that might either vex or affright my soul?

You ought to stand back from the edge of the platform.

He ought to read the book; it was very good.

We ought to arrive by noon if we take the motorway.

My hopes wa'n't disappointed. I never saw clams thicker than they was along them inshore flats. I filled my dreener in no time, and then it come to me that 'twouldn't be a bad idee to get a lot more, take 'em with me to Wellmouth, and peddle 'em out. Clams was fairly scarce over that side of the bay and ought to fetch a fair price.

Ought

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