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Update theories/topology_theory/topology_structure.v
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affeldt-aist authored Oct 30, 2024
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2 changes: 1 addition & 1 deletion theories/topology_theory/topology_structure.v
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Expand Up @@ -899,7 +899,7 @@ End closure_interior_lemmas.
Lemma closureC_deprecated (T : topologicalType) (E : set T) :
~` closure E = \bigcup_(x in [set U | open U /\ U `<=` ~` E]) x.
Proof. by rewrite -interiorC interiorEbigcup. Qed.
#[deprecated(since="mathcomp-analysis 1.6.1", note="use `interiorC` and `interiorEbigcup` instead")]
#[deprecated(since="mathcomp-analysis 1.7.0", note="use `interiorC` and `interiorEbigcup` instead")]
Notation closureC := closureC_deprecated (only parsing).

Section DiscreteTopology.
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