Theorems · Theorem · general topology

TopologicalSpace.Closeds.singleton_prod_singleton

∀ {α : Type u_2} {β : Type u_3} [inst : TopologicalSpace α] [inst_1 : TopologicalSpace β] [inst_2 : T1Space α]
  [inst_3 : T1Space β] (x : α) (y : β), {x} ×ˢ {y} = {(x, y)}

Defined in

Mathlib.Topology.Sets.Closeds

Cited by

0 results in Mathlib

Foundations

Depth 80 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

TopologicalSpaceTopologicalSpaceT1SpaceT1Space