Exercise 111.32.4. Let $f : X \to Y$ be a map of topological spaces. Prove pushforward $f_\ast $ and pullback $f^{-1}$ for sheaves of sets form an adjoint pair of functors.
Exercise 111.32.4. Let $f : X \to Y$ be a map of topological spaces. Prove pushforward $f_\ast $ and pullback $f^{-1}$ for sheaves of sets form an adjoint pair of functors.
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