Judith Jarvis Thomson's Normativity is a study of normative thought.
She brings out that normative thought is not restricted to moral
thought. Normative judgments divide into two sub-kinds, the evaluative
and the directive; but the sub-kinds are larger than is commonly
appreciated. Evaluative judgments include the judgments that such and
such is a good umbrella, that Alfred is a witty comedian, and that Bert
answered Carol's question correctly, as well as the judgment that David
is a good human being. Directive judgments include the judgment that a
toaster should toast evenly, that Edward ought to get a haircut, and
that Frances must move her rook, as well as the judgment that George
ought to be kind to his little brother. Thomson describes how judgments
of these two sub-kinds interconnect and what makes them true when they
are true. Given the extensiveness of the two sub-kinds of normative
judgment, our everyday thinking is rich in normativity, and moreover,
there is no gap between normative and factual thought. The widespread
suspicion of the normative is therefore in large measure due to nothing
deeper than an excessively narrow conception of what counts as a
normative judgment.