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Theorems · Theorem · general topology

Homeomorph.symm_apply_apply

∀ {X : Type u_1} {Y : Type u_2} [inst : TopologicalSpace X] [inst_1 : TopologicalSpace Y] (h : X ≃ₜ Y) (x : X),
  h.symm (h x) = x
Defined in
Mathlib.Topology.Homeomorph.Defs
Cited by
18 results in Mathlib
Foundations
Depth 16 from the axioms · uses Quot.sound
Assumes
TopologicalSpaceTopologicalSpace

Around this declaration

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

Homeomorph.symm_comp_self · cited by 5Homeomorph.symm_comp_selfHomeomorph.symm_map_nhds_eq · cited by 3Homeomorph.symm_map_nhds_…ContinuousMap.exists_extension · cited by 2ContinuousMap.exists_exte…Algebra.quasiFiniteAt_iff_isOpen_singleton_fiber · cited by 1Algebra.quasiFiniteAt_iff…TopCat.stdSimplexHomeomorphI_symm_one · cited by 1TopCat.stdSimplexHomeomor…TopCat.stdSimplexHomeomorphI_symm_zero · cited by 1TopCat.stdSimplexHomeomor…isEmbedding_of_iSup_eq_top_of_preimage_subset_range · cited by 1isEmbedding_of_iSup_eq_to…Homeomorph.self_trans_symm · cited by 1Homeomorph.self_trans_symmIdeal.exists_not_mem_forall_mem_of_ne_of_liesOver · cited by 1Ideal.exists_not_mem_fora…MeasureTheory.locallyIntegrable_map_homeomorph · cited by 1MeasureTheory.locallyInte…IsEvenlyCovered.restrictPreimage · cited by 1IsEvenlyCovered.restrictP…Algebra.QuasiFiniteAt.of_isOpen_singleton_fiber · cited by 1QuasiFiniteAt.of_isOpen_s…Homeomorph.image_connectedComponentIn · cited by 1Homeomorph.image_connecte…IsCoveringMap.homeomorph_comp_iff · cited by 0IsCoveringMap.homeomorph_…IsAddQuotientCoveringMap.homeomorph_comp_iff · cited by 0IsAddQuotientCoveringMap.…DFunLike.coe · cited by 62936DFunLike.coeTopologicalSpace · cited by 24529TopologicalSpaceHomeomorph · cited by 725HomeomorphHomeomorph.symm · cited by 365Homeomorph.symmEquiv.symm_apply_apply · cited by 320Equiv.symm_apply_applyHomeomorph.toEquiv · cited by 77Homeomorph.toEquivHomeomorph.symm_apply_applyCITED BYCITES

Cites6

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.