Metamath Proof Explorer


Theorem rrxtopn0b

Description: The topology of the zero-dimensional real Euclidean space. (Contributed by Glauco Siliprandi, 24-Dec-2020)

Ref Expression
Assertion rrxtopn0b TopOpen =

Proof

Step Hyp Ref Expression
1 rrxtopn0 TopOpen = 𝒫
2 pwsn 𝒫 =
3 1 2 eqtri TopOpen =