Metamath Proof Explorer


Theorem tgptps

Description: A topological group is a topological space. (Contributed by FL, 21-Jun-2010) (Revised by Mario Carneiro, 13-Aug-2015)

Ref Expression
Assertion tgptps ⊢ G ∈ TopGrp → G ∈ TopSp

Proof

Step Hyp Ref Expression
1 tgptmd ⊢ G ∈ TopGrp → G ∈ TopMnd
2 tmdtps ⊢ G ∈ TopMnd → G ∈ TopSp
3 1 2 syl ⊢ G ∈ TopGrp → G ∈ TopSp