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Theorems · Theorem · functional analysis

closure_ball

∀ {E : Type u_1} [inst : SeminormedAddCommGroup E] [NormedSpace ℝ E] (x : E) {r : ℝ},
  r ≠ 0 → closure (Metric.ball x r) = Metric.closedBall x r
Defined in
Mathlib.Analysis.Normed.Module.RCLike.Real
Cited by
20 results in Mathlib
Foundations
Depth 163 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
SeminormedAddCommGroupNormedSpace

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

DiffContOnCl.continuousOn_ball · cited by 6DiffContOnCl.continuousOn…Topology.RelCWComplex.closure_openCell_eq_closedCell · cited by 3RelCWComplex.closure_open…DiffContOnCl.circleAverage_smul_div · cited by 2DiffContOnCl.circleAverag…ExistsContDiffBumpBase.w_compact_support · cited by 2ExistsContDiffBumpBase.w_…AnalyticAt.eventually_constant_or_nhds_le_map_nhds_aux · cited by 1AnalyticAt.eventually_con…ContDiffBump.tsupport_eq · cited by 1ContDiffBump.tsupport_eqContDiffBump.tsupport_normed_eq · cited by 1ContDiffBump.tsupport_nor…Complex.ECanonicalDecomp.eq_smul_meromorphicTrailingCoeffAt · cited by 1ECanonicalDecomp.eq_smul_…Metric.closedBall_infDist_compl_subset_closure · cited by 1Metric.closedBall_infDist…ExistsContDiffBumpBase.u_compact_support · cited by 1ExistsContDiffBumpBase.u_…Euclidean.closure_ball · cited by 1Euclidean.closure_ballDiffContOnCl.two_pi_i_inv_smul_circleIntegral_sub_inv_smul · cited by 1DiffContOnCl.two_pi_i_inv…frontier_ball · cited by 1frontier_ballInnerProductSpace.HarmonicContOnCl.circleAverage_eq · cited by 1HarmonicContOnCl.circleAv…DiffContOnCl.ball_subset_image_closedBall · cited by 1DiffContOnCl.ball_subset_…Set · cited by 53352SetReal · cited by 25697RealTopologicalSpace · cited by 24529TopologicalSpaceNormedSpace · cited by 12499NormedSpaceLinearOrder · cited by 8572LinearOrderNorm.norm · cited by 5413Norm.normmul_one · cited by 3885mul_oneLE.le.trans · cited by 3151le.transSeminormedAddCommGroup · cited by 2671SeminormedAddCommGroupmul_comm · cited by 2262mul_commone_smul · cited by 1374one_smulOrderTopology · cited by 1355OrderTopologyclosure · cited by 1254closureSet.Ico · cited by 799Set.IcoMetric.ball · cited by 735Metric.ballclosure_ballCITED BYCITES

Cites39

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by20

Results whose statement or proof uses this declaration.