Theorems · Theorem · general topology

Homeomorph.isPreconnected_preimage

∀ {X : Type u_1} {Y : Type u_2} [inst : TopologicalSpace X] [inst_1 : TopologicalSpace Y] {s : Set Y} (h : X ≃ₜ Y),
  IsPreconnected (⇑h ⁻¹' s) ↔ IsPreconnected s

Defined in

Mathlib.Topology.Homeomorph.Lemmas

Cited by

0 results in Mathlib

Foundations

Depth 79 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

TopologicalSpaceTopologicalSpace