Theorems · Theorem · general topology

OpenPartialHomeomorph.restr_source

∀ {X : Type u_1} {Y : Type u_3} [inst : TopologicalSpace X] [inst_1 : TopologicalSpace Y]
  (e : OpenPartialHomeomorph X Y) (s : Set X), (e.restr s).source = e.source ∩ interior s

Defined in

Mathlib.Topology.OpenPartialHomeomorph.IsImage

Cited by

3 results in Mathlib

Foundations

Depth 85 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

TopologicalSpaceTopologicalSpace