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Lawvere-Tierney topology [math-MRL4]

Let E\mathcal{E} be a topos. A Lawvere-Tierney topology in E\mathcal{E} is a morphism j:ΩΩj : \Omega \to \Omega such that the following diagrams are commutative:

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A topology jj in a topos E\mathcal{E} gives rise to a new topos Shj(E)\text{Sh}_j(E) defined over E\mathcal{E}.