Definition 74.22.7. With $S, X, X', Y, Y', f, a, a', h$ as in Lemma 74.22.6 the functor
\[ (V, \varphi ) \longmapsto f^*(V, \varphi ) \]
constructed in that lemma is called the pullback functor on descent data.
Definition 74.22.7. With $S, X, X', Y, Y', f, a, a', h$ as in Lemma 74.22.6 the functor
constructed in that lemma is called the pullback functor on descent data.
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