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Theorems · Theorem · general topology

BoundedContinuousFunction.dist_coe_le_dist

∀ {α : Type u} {β : Type v} [inst : TopologicalSpace α] [inst_1 : PseudoMetricSpace β]
  {f g : BoundedContinuousFunction α β} (x : α), dist (f x) (g x) ≤ dist f g

The pointwise distance is controlled by the distance between functions, by definition.

Defined in
Mathlib.Topology.ContinuousMap.Bounded.Basic
Cited by
18 results in Mathlib
Foundations
Depth 117 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
TopologicalSpacePseudoMetricSpace

Around this declaration

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

BoundedContinuousFunction.norm_coe_le_norm · cited by 25BoundedContinuousFunction…BoundedContinuousFunction.dist_le · cited by 11BoundedContinuousFunction…BoundedContinuousFunction.dist_eq_iSup · cited by 3BoundedContinuousFunction…BoundedContinuousFunction.dist_le_iff_of_nonempty · cited by 3BoundedContinuousFunction…MeasureTheory.FiniteMeasure.testAgainstNN_lipschitz_estimate · cited by 2FiniteMeasure.testAgainst…BoundedContinuousFunction.nndist_coe_le_nndist · cited by 2BoundedContinuousFunction…BoundedContinuousFunction.tendsto_iff_tendstoUniformly · cited by 2BoundedContinuousFunction…BoundedContinuousFunction.dist_lt_iff_of_compact · cited by 2BoundedContinuousFunction…BoundedContinuousFunction.lipschitz_comp · cited by 2BoundedContinuousFunction…BoundedContinuousFunction.lipschitz_compContinuous · cited by 2BoundedContinuousFunction…BoundedContinuousFunction.NNReal.upper_bound · cited by 1NNReal.upper_boundBoundedContinuousFunction.dist_extend_extend · cited by 1BoundedContinuousFunction…BoundedContinuousFunction.dist_lt_iff_of_nonempty_compact · cited by 1BoundedContinuousFunction…TopologicalSpace.exists_isInducing_l_infty · cited by 1TopologicalSpace.exists_i…BoundedContinuousFunction.lipschitz_eval_const · cited by 1BoundedContinuousFunction…DFunLike.coe · cited by 62936DFunLike.coeReal · cited by 25697RealTopologicalSpace · cited by 24529TopologicalSpaceSet.ofPred · cited by 6101Set.ofPredPseudoMetricSpace · cited by 1550PseudoMetricSpaceDist.dist · cited by 1539Dist.distBoundedContinuousFunction · cited by 511BoundedContinuousFunctionle_csInf · cited by 36le_csInfBoundedContinuousFunction.dist_set_exists · cited by 3BoundedContinuousFunction…BoundedContinuousFunction.dis…CITED BYCITES

Cites9

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

Cited by18

Results whose statement or proof uses this declaration.