Theorems · Theorem · general topology

DiscreteQuotient.LEComap.mono

∀ {X : Type u_2} {Y : Type u_3} [inst : TopologicalSpace X] [inst_1 : TopologicalSpace Y] {f : C(X, Y)}
  {A A' : DiscreteQuotient X} {B B' : DiscreteQuotient Y},
  DiscreteQuotient.LEComap f A B → A' ≤ A → B ≤ B' → DiscreteQuotient.LEComap f A' B'

Defined in

Mathlib.Topology.DiscreteQuotient

Cited by

4 results in Mathlib

Foundations

Depth 18 from the axioms · uses propext, Quot.sound

Assumes

TopologicalSpaceTopologicalSpace