Dieudonne

Rmk.2.6 a sheaf is completely determined by its section over a base of opens


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Ex. B-sheaf F0 extends uniquely to a sheaf F on X. Rmk. Actually we only use that exact complex to define F(U) using F(U_i) with U_i in B; we didn’t give a proof of ex above.
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DieudonneBy Luc